CN214835475U - Spiral type back locking structure of handle panel lock - Google Patents

Abstract

The utility model provides a handle panel lock spiral type back locking structure, a positioning disc is fixed on a handle panel, and a jack is opened in the center of the positioning disc; an accommodating cavity is formed in the handle rotating shaft section along the length direction of the square shaft, a square shaft sleeve is fixed at the closed end of the accommodating cavity, the square shaft sleeve is inserted into the jack, and a through hole communicated with the accommodating cavity is formed in the closed end of the accommodating cavity, close to the outer wall of the square shaft sleeve; the inner sleeve is embedded in the accommodating cavity, a bolt positioned outside the inner sleeve is fixed at the closed end of the inner sleeve, a reset elastic piece is abutted between the closed end of the inner sleeve and the closed end of the accommodating cavity, and the bolt penetrates through the through hole and can move towards the direction close to the positioning disk to pin-connect the positioning disk and the square shaft sleeve; one end of the knob is embedded in the inner sleeve through the opening of the inner sleeve and is in spiral connection with the side wall of the inner sleeve, and the other end of the knob is positioned outside the inner sleeve. The utility model provides a spiral anti-lock structure of handle panel lock, simple to operate to the cost is lower, and is profitable.

Description

Spiral type back locking structure of handle panel lock

Technical Field

The utility model relates to a lock technical field, more specifically the spiral back locking structure of handle panel lock that says so relates to.

Background

In order to ensure safety, a back-locking structure is generally required to be installed on the door lock, so that people in the house can not enter the house after the door lock is back-locked by the back-locking structure.

The existing back locking structure is generally used for clamping and connecting a square shaft of an indoor door lock and an outdoor door lock through a clamping structure so that the square shaft cannot rotate, but the structure is complex, the cost is high, and the installation is difficult, so that a lot of troubles are brought to after-sale, and the benefits of merchants are seriously influenced.

Therefore, how to provide a conveniently installed back locking structure is a problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a handle panel lock spiral formula anti-lock structure, simple to operate to the cost is lower, and is profitable.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a spiral anti-lock structure of handle panel lock, connects indoor and outdoor lock through the square shaft, includes:

the positioning disc is fixed on the handle panel, the handle panel is fixed on the door, and the center of the positioning disc is provided with an insertion hole;

the handle rotating shaft section is perpendicular to the door and is rotationally connected with the door, a containing cavity is formed in the handle rotating shaft section along the length direction of the square shaft, one end, far away from the positioning disc, of the containing cavity is an open end, one end, close to the positioning disc, of the containing cavity is a closed end, a square shaft sleeve located outside the containing cavity is fixed to the closed end of the containing cavity, the square shaft sleeve is inserted into the jack, meanwhile, a first through hole which is respectively communicated with the containing cavity and an inner cavity of the square shaft sleeve is formed in the position, connected with the square shaft sleeve, of the closed end of the containing cavity, and a through hole communicated with the containing cavity is formed in the position, close to the outer wall of the square shaft sleeve, of the closed end of the containing cavity;

the inner sleeve is embedded in the accommodating cavity, one end of the inner sleeve, far away from the positioning disc, is an open end, one end of the inner sleeve, close to the positioning disc, is a closed end, the closed end of the inner sleeve is provided with a second through hole communicated with the inner cavity of the inner sleeve, a bolt positioned outside the inner sleeve is fixed at the closed end of the inner sleeve, a reset elastic piece is abutted between the closed end of the inner sleeve and the closed end of the accommodating cavity, and the bolt penetrates through the through hole and can move towards the direction close to the positioning disc to lock the positioning disc and the square shaft sleeve;

the knob, one end of the knob is inlayed in the inner sleeve through the opening of the inner sleeve and is in spiral connection with the side wall of the inner sleeve, the other end of the knob is positioned outside the inner sleeve, a mounting hole is formed in one end of the knob positioned in the inner sleeve, one end of the square shaft is inserted in the mounting hole, and the other end of the square shaft sequentially penetrates through the inner cavity of the inner sleeve, the second through hole, the accommodating cavity, the first through hole and the inner cavity of the square shaft sleeve.

Preferably, a first locking groove is formed in the hole wall of the jack, a second locking groove is formed in the outer wall of the square shaft sleeve and communicated with the through hole, one end, close to the square shaft sleeve, of the first locking groove is an open end, the second locking groove corresponds to the first locking groove in position, a notch of the second locking groove is opposite to and adjacent to a notch of the first locking groove, the knob rotates to drive the inner sleeve to rotate in the direction close to the positioning plate so as to drive the bolt to penetrate through the through hole to be inserted into the second locking groove and simultaneously to be inserted into the first locking groove through the open end of the first locking groove, and then the bolt locks the positioning plate and the square shaft sleeve; the knob rotates to drive the inner sleeve to be screwed in towards the direction far away from the positioning plate so as to drive the bolt to be pulled out of the first locking groove and the second locking groove, and then the positioning plate and the square shaft sleeve are unlocked by the bolt.

Preferably, the first locking groove and the second locking groove are both closed ends at ends far away from the square shaft sleeve so as to limit the bolt.

Preferably, the inner sleeve is hollow cylindrical, a limiting notch is cut in the side wall of the inner sleeve from the opening end of the inner sleeve along the length direction of the inner sleeve, the limiting notch extends to one twentieth to one sixth of the height of the inner sleeve, meanwhile, a strip-shaped guide hole is obliquely formed in the side wall of the inner sleeve, the strip-shaped guide hole is oblique from the opening end close to the inner sleeve to the opening end far away from the inner sleeve along the side wall of the inner sleeve, one end of the strip-shaped guide hole is an opening end and is communicated with the limiting notch, and the other end of the strip-shaped guide hole is a closed end; the limiting notch and the strip-shaped guide hole are communicated with the side wall of the inner sleeve, a shifting column is fixed on the outer wall of the knob and is connected in the strip-shaped guide hole in a sliding manner, when the shifting column slides to one end where the strip-shaped guide hole is communicated with the limiting notch, the inner sleeve is screwed in a direction close to the positioning disc, and the bolt is inserted into the first locking groove and the second locking groove simultaneously to drive the bolt to lock the positioning disc and the square shaft sleeve; when the shifting column slides to the closed end of the strip-shaped guide hole, the inner sleeve is screwed in towards the direction far away from the positioning disc, the bolt is pulled out from the first locking groove and the second locking groove, and the positioning disc and the square shaft sleeve are unlocked by the bolt.

Preferably, the number of the bolts is multiple, the bolts are fixed at the closed end of the inner sleeve at intervals, meanwhile, the number of the through holes, the number of the first locking grooves and the number of the second locking grooves are multiple, the positions of the multiple through holes and the positions of the multiple bolts are arranged on the closed end of the accommodating cavity in a one-to-one correspondence manner, and the multiple through holes are close to the outer wall of the square shaft sleeve and communicated with the accommodating cavity; it is a plurality of first locked groove is seted up with a plurality of the position one-to-one of bolt is seted up on the inner wall of jack, it is a plurality of the second locked groove is seted up with a plurality of the position one-to-one of bolt is seted up on the outer wall of square shaft sleeve, and is a plurality of first locked groove is kept away from with a plurality of the second locked groove the one end of square shaft sleeve is the blind end, and is spacing a plurality of with the one-to-one the bolt.

Preferably, the limiting notches and the strip-shaped guide holes are two, the limiting notches and the strip-shaped guide holes are correspondingly arranged on the side wall of the inner sleeve in a one-to-one mode, the two shifting columns are arranged on the side wall of the inner sleeve in a corresponding mode, the two shifting columns are oppositely fixed on the knob, and the two shifting columns are connected in the strip-shaped guide holes in a sliding mode in a one-to-one mode.

Preferably, the handle rotating shaft section is connected with a handle holding section.

Preferably, the shape of the handle holding section is any shape such as a cylinder shape, a rectangular parallelepiped shape, or the like.

Preferably, the closed end of the inner sleeve is provided with a positioning groove, the positioning groove is located outside the inner sleeve, a notch of the positioning groove faces the closed end of the accommodating cavity, one end of the reset elastic member penetrates through the notch of the positioning groove and abuts against the bottom of the positioning groove, and meanwhile the other end of the reset elastic member abuts against the closed end of the accommodating cavity.

Preferably, the reset elastic pieces and the positioning grooves are all a plurality of, and the number of the reset elastic pieces corresponds to the number of the positioning grooves one to one.

Preferably, the elastic restoring pieces are springs, the number of the springs is equal to that of the pins, and the springs are sleeved on the pins in a one-to-one correspondence manner.

Can know via foretell technical scheme, compare with prior art, the utility model discloses a spiral anti-lock structure of handle panel lock can realize following technological effect:

the utility model discloses fix the positioning disk on the shop front, will reset the elastic component butt at the blind end of endotheca and hold between the blind end in chamber, imbed the endotheca and hold the chamber to and inlay the one end of knob and establish in the endotheca, just make the bolt wear to establish in the perforation, then can accomplish the utility model discloses an installation makes the structure modularization, thereby the utility model discloses simple to operate, the cost is lower, can reduce the work after sale simultaneously, moreover the utility model discloses the knob and with the lateral wall spiral connection of endotheca, then through rotating the knob, alright with the drive endotheca with lock joint positioning disk and square shaft sleeve to the direction motion that is close to the positioning disk, novel structure, and make the utility model discloses convenient to install.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is an exploded view of a spiral type back locking structure of a handle panel lock of the present invention;

FIG. 2 is a structural diagram of a handle rotating shaft section of the handle panel lock spiral type back locking structure of the present invention;

fig. 3 is a structural diagram of the inner sleeve of the spiral type back locking structure of the handle panel lock of the present invention.

Wherein, 111-square shaft; 1-positioning a disc; 10-a jack; 2-a handle spindle section; 20-a containment chamber; 21-square shaft sleeve; 200-punching; 3-inner sleeve; 31-a latch; 32-a return spring; 4-a knob; 101-a first keyway; 210-a second keyway; 310-limit notch; 320-strip-shaped guide holes; 41-shifting columns; 5-handle grip section; 33-positioning groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model discloses spiral anti-lock structure of handle panel lock connects indoor and outdoor lock through square shaft 111, include:

the positioning plate 1 is fixed on a handle panel, the handle panel is fixed on a door, and a jack 10 is opened in the center of the positioning plate 1;

the handle rotating shaft section 2 is perpendicular to the door and is rotatably connected with the door, a containing cavity 20 is formed in the handle rotating shaft section 2 along the length direction of a square shaft, one end, far away from the positioning disc 1, of the containing cavity 20 is an open end, one end, close to the positioning disc 1, of the containing cavity 20 is a closed end, the closed end of the containing cavity 20 is fixedly provided with a square shaft sleeve 21 positioned outside the containing cavity 20, the square shaft sleeve 21 is inserted into the jack 10, meanwhile, a first through hole which is respectively communicated with the containing cavity 20 and the inner cavity of the square shaft sleeve 21 is formed in the position, close to the outer wall of the square shaft sleeve 21, of the containing cavity 20, and a through hole 200 communicated with the containing cavity 20 is formed in the position, close to the outer wall of the square shaft sleeve 21, of the containing cavity 20;

the inner sleeve 3 is embedded into the accommodating cavity 20, one end of the inner sleeve 3, which is far away from the positioning disk 1, is an open end, one end, which is close to the positioning disk 1, is a closed end, the closed end of the inner sleeve 3 is provided with a second through hole communicated with the inner cavity of the inner sleeve 3, the closed end of the inner sleeve 3 is fixedly provided with a bolt 31 positioned outside the inner sleeve 3, meanwhile, a reset elastic piece 32 is abutted between the closed end of the inner sleeve 3 and the closed end of the accommodating cavity 20, the bolt 31 penetrates through the through hole 200 and can move towards the direction close to the positioning disk 1 to lock the positioning disk 1 and the square shaft sleeve 21;

the knob 4, the one end of knob 4 is inlayed in endotheca 3 through the opening of endotheca 3 to with the lateral wall spiral connection of endotheca 3, the other end of knob 4 is located outside endotheca 3, the mounting hole has been seted up to the one end that knob 4 is located endotheca 3, the one end of square shaft 111 is pegged graft in the mounting hole, the other end passes inner chamber, the second through-hole of endotheca 3 in proper order, holds the inner chamber of chamber 20, first through-hole and square shaft sleeve 21.

The utility model discloses fix positioning disk 1 on the shop front, will reset elastic component 32 butt at the blind end of endotheca 3 and hold between the blind end of chamber 20, with endotheca 3 embedding hold chamber 20 to and inlay the one end of knob 4 and establish in endotheca 3, just make bolt 31 wear to establish in perforation 200, then can accomplish the utility model discloses an installation, make the utility model discloses a structural module, thereby the utility model discloses simple to operate, the cost is lower, can reduce the work after sale simultaneously, moreover the utility model discloses knob 4 and with the spiral connection of the lateral wall of endotheca 3, then through rotating knob 4, alright in order to drive 3 directions motions of endotheca 1 to the direction that is close to positioning disk 1 with lock-on positioning disk 1 and square shaft sleeve 21, novel structure, and make the utility model discloses simple to operate.

In order to further optimize the technical scheme, a first lock groove 101 is formed in the hole wall of the jack 10, a second lock groove 210 is formed in the outer wall of the square shaft sleeve 21, the second lock groove 210 is communicated with the through hole 200, one end, close to the square shaft sleeve 21, of the first lock groove 101 is an open end, the second lock groove 210 corresponds to the first lock groove 101, a notch of the second lock groove 210 is opposite to and adjacent to a notch of the first lock groove 101, the knob 4 rotates to drive the inner sleeve 3 to be screwed in the direction close to the positioning disc 1, so that the bolt 31 is driven to penetrate through the through hole 200 to be inserted into the second lock groove 210 and simultaneously inserted into the first lock groove 101 through the open end of the first lock groove 101, and the bolt 31 is used for locking the positioning disc 1 and the square shaft sleeve 21; the knob 4 rotates to drive the inner sleeve 3 to screw in a direction away from the positioning plate 1 so as to drive the bolt 31 to be pulled out from the first locking groove 101 and the second locking groove 210, and then the bolt 31 unlocks the positioning plate 1 and the square shaft sleeve 21.

The utility model adopts the above technical scheme's beneficial effect does: through rotating knob 4, drive inner cover 3 to the direction precession that is close to positioning disk 1 to make the mode that bolt 31 inserted in first locked groove 101 and second locked groove 210, the mode of come lock joint positioning disk 1 and square shaft cover 21, novel structure and simple, simple to operate, the cost is lower.

In order to further optimize the above technical solution, the ends of the first locking groove 101 and the second locking groove 210 far away from the square shaft sleeve 21 are both closed ends to limit the plug pin 31.

The utility model adopts the above technical scheme's beneficial effect does: the ends of the first locking groove 101 and the second locking groove 210 away from the square shaft sleeve 21 are closed ends, which can provide a supporting force for the latch 31, thereby providing a limit for the movement of the inner sleeve 3.

In order to further optimize the technical scheme, the inner sleeve 3 is hollow cylindrical, a limiting notch 310 is cut on the side wall of the inner sleeve 3 from the opening end of the inner sleeve 3 along the length direction of the inner sleeve 3, the limiting notch 310 extends to one twentieth to one sixth of the height of the inner sleeve 3, meanwhile, a strip-shaped guide hole 320 is obliquely formed on the side wall of the inner sleeve 3, the strip-shaped guide hole 320 is oblique from the opening end close to the inner sleeve 3 to the opening end far away from the inner sleeve 3 along the side wall of the inner sleeve 3, one end of the strip-shaped guide hole 320 is an opening end and is communicated with the limiting notch 310, and the other end is a closed end; the limiting notch 310 and the strip-shaped guide hole 320 both penetrate through the side wall of the inner sleeve 3, the poking column 41 is fixed on the outer wall of the knob 4, the poking column 41 is connected in the strip-shaped guide hole 320 in a sliding manner, when the poking column 41 slides to one end of the strip-shaped guide hole 320 communicated with the limiting notch 310, the inner sleeve 3 is screwed in a direction close to the positioning plate 1, and the bolt 31 is simultaneously inserted into the first locking groove 101 and the second locking groove 210 to drive the bolt 31 to lock the positioning plate 1 and the square shaft sleeve 21; when the shifting column 41 slides to the closed end of the bar-shaped guide hole 320, the inner sleeve 3 is screwed in a direction away from the positioning plate 1, the latch 31 is pulled out from the first locking groove 101 and the second locking groove 210, and the latch 31 unlocks the positioning plate 1 and the square shaft sleeve 21.

The utility model adopts the above technical scheme's beneficial effect does: can only rotate knob 4, alright in order to drive 3 precessions or to keeping away from the direction precession of positioning disk 1 to the direction precession that is close to positioning disk 1 in order to correspond to realize that bolt 31 inserts simultaneously to first locked groove 101 and second locked groove 210 in, or bolt 31 takes out the effect of separating from in first locked groove 101 and the second locked groove 210 simultaneously, and then correspond and realize bolt 31 lock joint positioning disk 1 and square axle sleeve 21, or the effect of bolt 31 with positioning disk 1 and the unblock of square axle sleeve 21, makes the utility model discloses convenient operation, and the utility model discloses a spacing breach 310 can prevent to dial post 41 and break away from in the strip guiding hole 320.

In order to further optimize the technical scheme, a plurality of bolts 31 are fixed at the closed end of the inner sleeve 3 at intervals, meanwhile, a plurality of through holes 200, a plurality of first locking grooves 101 and a plurality of second locking grooves 210 are arranged at the closed end of the accommodating cavity 20 in a one-to-one correspondence manner, the positions of the plurality of through holes 200 and the plurality of bolts 31 are close to the outer wall of the square shaft sleeve 21 and communicated with the accommodating cavity 20; the positions of the first locking grooves 101 and the pins 31 are correspondingly arranged on the inner wall of the jack 10, the positions of the second locking grooves 210 and the pins 31 are correspondingly arranged on the outer wall of the square shaft sleeve 21, and the ends, far away from the square shaft sleeve 21, of the first locking grooves 101 and the second locking grooves 210 are closed ends to limit the pins 31 in a one-to-one correspondence manner.

The utility model adopts the above technical scheme's beneficial effect does: the firmness of the back locking can be improved, so that the safety is improved.

In order to further optimize the above technical solution, the two limiting notches 310 and the two strip-shaped guiding holes 320 are correspondingly arranged on the side wall of the inner sleeve 3 one by one, and the two dialing posts 41 are fixed on the knob 4 relatively and are connected in the two strip-shaped guiding holes 320 in a sliding manner one by one.

The utility model adopts the above technical scheme's beneficial effect does: the stability of the movement of the inner sleeve 3 is improved, and meanwhile, a user can easily rotate the knob 4, so that the effect of back locking can be realized, and the operation is simple and convenient.

In order to further optimize the technical scheme, a handle holding section 5 is connected to the handle rotating shaft section 2.

The utility model adopts the above technical scheme's beneficial effect does: the gripping section 5 is conveniently provided with an attachment point for the user to facilitate unlocking of the user.

In order to further optimize the above technical solution, the shape of the handle holding section 5 is any shape such as a cylinder, a rectangular parallelepiped, and the like.

In order to further optimize the above technical solution, the closed end of the inner sleeve 3 is provided with a positioning groove 33, the positioning groove 33 is located outside the inner sleeve 3, the notch of the positioning groove 33 faces the closed end of the accommodating cavity 20, one end of the resetting elastic member 32 passes through the notch of the positioning groove 33 and abuts against the bottom of the positioning groove 33, and the other end of the resetting elastic member 32 abuts against the closed end of the accommodating cavity 20.

The utility model adopts the above technical scheme's beneficial effect does: avoid the elastic component 32 that resets to drop, improve the utility model discloses a life.

In order to further optimize the above technical solution, the reset elastic members 32 and the positioning grooves 33 are both multiple, and the number of the reset elastic members 32 corresponds to the number of the positioning grooves 33 one by one.

The utility model adopts the above technical scheme's beneficial effect does: improve the performance of the reverse locking reset of the utility model.

In order to further optimize the above technical solution, the elastic restoring element 32 is a spring, the number of the springs is the same as that of the pins 31, and a plurality of springs are sleeved on the pins 31 in a one-to-one correspondence manner.

The utility model adopts the above technical scheme's beneficial effect does: the elastic restoring element 32 is prevented from falling off, and the working procedures can be reduced, so that the production cost is reduced.

Example 1:

the utility model provides a spiral anti-lock structure of handle panel lock, the theory of operation as follows:

by rotating the knob 4, the poking column 41 on the knob 4 slides in the strip-shaped guide hole 320, when the poking column 41 on the knob 4 slides to one end of the strip-shaped guide hole 320 communicated with the limit notch 310, the inner sleeve 3 is screwed in the direction close to the positioning plate 1, and the bolt 31 is simultaneously inserted into the first locking groove 101 and the second locking groove 210 to drive the bolt 31 to lock the positioning plate 1 and the square shaft sleeve 21; when the shifting column 41 slides to the closed end of the bar-shaped guide hole 320, the inner sleeve 3 is screwed in a direction away from the positioning plate 1, and under the elastic action of the return elastic member 32, the latch 31 is pulled out from the first locking groove 101 and the second locking groove 210, and the latch 31 unlocks the positioning plate 1 and the square shaft sleeve 21.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a spiral anti-lock structure of handle panel lock, connects indoor and outdoor lock through square shaft (111), its characterized in that includes:

the positioning plate (1) is fixed on the handle panel, the handle panel is fixed on the door, and a jack (10) is formed in the center of the positioning plate (1);

a handle rotating shaft section (2), the handle rotating shaft section (2) is vertical to the door and is rotationally connected with the door, and an accommodating cavity (20) is arranged in the handle rotating shaft section (2) along the length direction of the square shaft (111), one end of the accommodating cavity (20) far away from the positioning disc (1) is an open end, one end close to the positioning disc (1) is a closed end, a square shaft sleeve (21) positioned outside the accommodating cavity (20) is fixed at the closed end of the accommodating cavity (20), the square shaft sleeve (21) is inserted in the insertion hole (10), meanwhile, the closed end of the accommodating cavity (20) is connected with the square shaft sleeve (21) and is provided with a first through hole which is communicated with the inner cavities of the accommodating cavity (20) and the square shaft sleeve (21) respectively, a through hole (200) communicated with the accommodating cavity (20) is formed in the closed end of the accommodating cavity (20) close to the outer wall of the square shaft sleeve (21);

the inner sleeve (3) is embedded into the accommodating cavity (20), one end, far away from the positioning disc (1), of the inner sleeve (3) is an open end, one end, close to the positioning disc (1), of the inner sleeve (3) is a closed end, a second through hole communicated with the inner cavity of the inner sleeve (3) is formed in the closed end of the inner sleeve (3), a bolt (31) located outside the inner sleeve (3) is fixed to the closed end of the inner sleeve (3), meanwhile, a reset elastic piece (32) is connected between the closed end of the inner sleeve (3) and the closed end of the accommodating cavity (20) in a butting mode, the bolt (31) penetrates through the through hole (200) and can move towards the direction close to the positioning disc (1) to be locked with the positioning disc (1) and the square shaft sleeve (21);

the knob (4), the one end of knob (4) is passed through the opening of endotheca (3) and is inlayed and establish in endotheca (3) to with the lateral wall spiral connection of endotheca (3), the other end of knob (4) is located outside endotheca (3), the mounting hole has been seted up to knob (4) the one end that is located in endotheca (3), the one end of square shaft (111) is pegged graft in the mounting hole, and the other end passes in proper order the inner chamber of endotheca (3), the second through-hole, hold chamber (20), first through-hole and the inner chamber of square shaft cover (21).

2. The handle panel lock spiral type back locking structure according to claim 1, wherein a first locking groove (101) is formed in a hole wall of the insertion hole (10), a second locking groove (210) is formed in an outer wall of the square shaft sleeve (21), the second locking groove (210) is communicated with the through hole (200), one end of the first locking groove (101) close to the square shaft sleeve (21) is an open end, the second locking groove (210) corresponds to the first locking groove (101), a notch of the second locking groove (210) is opposite to and adjacent to a notch of the first locking groove (101), the knob (4) rotates to drive the inner sleeve (3) to rotate in a direction close to the positioning plate (1) so as to drive the bolt (31) to penetrate through the through hole (200) and be inserted into the second locking groove (210) and simultaneously insert into the first locking groove (101) through the open end of the first locking groove (101), the bolt (31) is locked with the positioning plate (1) and the square shaft sleeve (21); the knob (4) rotates to drive the inner sleeve (3) to be screwed in towards the direction far away from the positioning disc (1) so as to drive the bolt (31) to be pulled out from the first locking groove (101) and the second locking groove (210), and then the bolt (31) unlocks the positioning disc (1) and the square shaft sleeve (21).

3. The handle panel lock spiral type back locking structure as claimed in claim 2, wherein the ends of the first locking groove (101) and the second locking groove (210) far away from the square shaft sleeve (21) are closed ends to limit the plug pin (31).

4. The handle panel lock spiral type back locking structure according to claim 2, wherein the inner sleeve (3) is hollow cylindrical, a limiting notch (310) is cut on the side wall of the inner sleeve (3) from the open end of the inner sleeve (3) along the length direction of the inner sleeve (3), the limiting notch (310) extends to the position of one twentieth to one sixth of the height of the inner sleeve (3), meanwhile, a strip-shaped guide hole (320) is obliquely formed on the side wall of the inner sleeve (3), the strip-shaped guide hole (320) is inclined from the open end close to the inner sleeve (3) to the open end far away from the inner sleeve (3) along the side wall of the inner sleeve (3), one end of the strip-shaped guide hole (320) is an open end and communicated with the limiting notch (310), and the other end is a closed end; the limiting notch (310) and the strip-shaped guide hole (320) penetrate through the side wall of the inner sleeve (3), a shifting column (41) is fixed on the outer wall of the knob (4), the shifting column (41) is connected in the strip-shaped guide hole (320) in a sliding mode, when the shifting column (41) slides to one end, communicated with the limiting notch (310), of the strip-shaped guide hole (320), the inner sleeve (3) is screwed in the direction close to the positioning plate (1), and the bolt (31) is inserted into the first locking groove (101) and the second locking groove (210) simultaneously to drive the bolt (31) to be locked with the positioning plate (1) and the square shaft sleeve (21); when the shifting column (41) slides to the closed end of the strip-shaped guide hole (320), the inner sleeve (3) is screwed in towards the direction far away from the positioning disc (1), the bolt (31) is pulled out from the first locking groove (101) and the second locking groove (210), and the positioning disc (1) and the square shaft sleeve (21) are unlocked by the bolt (31).

5. The handle panel lock spiral type back locking structure according to claim 3, wherein the number of the bolts (31) is multiple, and the bolts are fixed at the closed end of the inner sleeve (3) at intervals, meanwhile, the number of the through holes (200), the number of the first locking grooves (101) and the number of the second locking grooves (210) are multiple, the positions of the multiple through holes (200) and the multiple bolts (31) are arranged on the closed end of the accommodating cavity (20) in a one-to-one correspondence manner, and the multiple through holes (200) are close to the outer wall of the square shaft sleeve (21) and are communicated with the accommodating cavity (20); a plurality of first locked groove (101) and a plurality of the position one-to-one of bolt (31) is seted up on the inner wall of jack (10), it is a plurality of second locked groove (210) and a plurality of the position one-to-one of bolt (31) is seted up on the outer wall of square axle sleeve (21), and is a plurality of first locked groove (101) and a plurality of second locked groove (210) are kept away from the one end of square axle sleeve (21) is the blind end, and is spacing a plurality of with the one-to-one bolt (31).

6. The handle panel lock spiral type back locking structure according to claim 4, wherein the number of the limiting notches (310) and the strip-shaped guiding holes (320) is two, and the limiting notches and the strip-shaped guiding holes are correspondingly arranged on the side wall of the inner sleeve (3) in a one-to-one correspondence mode, the number of the shifting columns (41) is two, and the two shifting columns (41) are relatively fixed on the knob (4) and are correspondingly and slidably connected in the two strip-shaped guiding holes (320).

7. The handle panel lock screw type back locking structure according to claim 1, wherein a handle grip section (5) is attached to the handle pivot section (2).

8. The handle panel lock spiral type back locking structure according to claim 1, wherein a positioning groove (33) is formed at the closed end of the inner sleeve (3), the positioning groove (33) is located outside the inner sleeve (3), the notch of the positioning groove (33) faces the closed end of the accommodating cavity (20), one end of the return elastic member (32) passes through the notch of the positioning groove (33) and abuts against the bottom of the positioning groove (33), and the other end of the return elastic member (32) abuts against the closed end of the accommodating cavity (20).

9. The handle panel lock screw type relocking structure according to claim 8, wherein the number of the returning elastic members (32) and the positioning grooves (33) is plural, and the number of the returning elastic members (32) corresponds to the number of the positioning grooves (33) one to one.

10. The handle panel lock spiral type back locking structure as claimed in claim 1, wherein the return elastic member (32) is a spring, and the number of the spring is the same as the number of the plug pins (31), and a plurality of the springs are sleeved on the plug pins (31) in a one-to-one correspondence.

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