CN218325688U

CN218325688U - Adjust convenient lifting screw

Info

Publication number: CN218325688U
Application number: CN202222358723.1U
Authority: CN
Inventors: 符金波
Original assignee: Yuyao Boyun Musical Instrument Co ltd
Current assignee: Yuyao Boyun Musical Instrument Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-01-17
Anticipated expiration: 2032-09-02

Abstract

The utility model discloses a lifting screw convenient to adjust, which relates to the screw field and comprises a lifting screw main body, wherein an adjusting mechanism is arranged outside the lifting screw main body, the adjusting mechanism comprises a resisting block screwed outside the lifting screw main body, a movable block movably sleeved outside the lifting screw main body and two displacement components arranged between the resisting block and the movable block and used for driving the movable block to move, and each displacement component comprises a fixed sleeve fixedly connected on the resisting block and two combined grooves symmetrically arranged on the inner wall of the fixed sleeve; this adjust convenient lifting screw can come to adjust the position of movable block according to the degree of depth of screw to make lifting screw get into the inside back of screw moving, its head can support tightly with the movable block outer wall all the time, and then effectively improved lifting screw's range of application, avoided lifting screw to use because of its head can't support tightly when the screw that the degree of depth is shorter is inside to fix the problem that leads to its unstability.

Description

Adjust convenient lifting screw

Technical Field

The utility model relates to a screw technique, concretely relates to adjust convenient lifting screw.

Background

The lifting screw is a tool for fastening machine parts of an object step by utilizing the physics and mathematical principles of the inclined plane circular rotation and friction of the object. Screws are a common term for fasteners, a common spoken word. The screw is an indispensable industrial necessity in daily life, and the screw mainly has the function of connecting two workpieces together to play a role in fastening.

At present the lifting screw is because its length is fixed, and the head is difficult to fix when leading to it to use in the screw of different degree of depth, is exactly that the lifting screw uses when the shorter screw of degree of depth is inside because its head can't support tight fixed and lead to its use unstable particularly, and then has reduced the range of application of lifting screw, and for this reason, this scheme has provided a regulation convenient lifting screw.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an adjust convenient lifting screw to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an adjust convenient lifting screw, includes the lifting screw main part, the outside of lifting screw main part is provided with adjustment mechanism, adjustment mechanism includes that the spiro union is established at the outside tight piece that supports of lifting screw main part, activity cover and is being supported tight piece and the setting and two displacement subassemblies that the movable block removed in order to be used for driving between piece and the movable block in the outside movable block of lifting screw main part.

Further, two displacement subassembly symmetry sets up the both sides in the elevating screw main part, the displacement subassembly includes fixed cover of rigid coupling on the piece of supporting, the symmetry sets up two combination grooves on fixed cover inner wall, sliding sleeve, the symmetry sets up two fixture blocks inside the sliding sleeve and be used for driving the drive part of two fixture block moves in opposite directions at the sliding sleeve on fixed cover inner wall, the combination groove includes along the axial a plurality of draw-in grooves of setting on fixed cover inner wall, the one end of sliding sleeve extends to the outside of fixed cover, and its and the outer wall rigid coupling of movable block, two one side that the fixture block kept away from mutually all extends to the outside of sliding sleeve, and it all with sliding sleeve sliding connection, the fixture block is identical with the draw-in groove in two combination grooves respectively.

Furthermore, the driving part comprises a driving block which is in sliding connection with the inner wall of the sliding sleeve, two connecting rods which are hinged to the outer wall of one side, close to the fixture blocks, of the driving block and a driving rod which is fixedly connected to the outer wall of the other side of the driving block, and the other ends of the two connecting rods are hinged to the outer wall of one side, close to the two fixture blocks, of the two fixture blocks respectively.

Further, the movable block is kept away from and is supported two movable grooves corresponding with two sliding sleeves, two on the outer wall of tight piece one side, the inside in movable groove all sliding joint has the handle, two the other end of actuating lever extends to the inside in two movable grooves respectively, and its respectively with two handle rigid couplings, two the outside of actuating lever all is overlapped and is equipped with the spring, the one end of spring and the inner wall rigid coupling in movable groove, the other end of spring and the outer wall rigid coupling of handle.

Further, a limiting block is fixedly connected to the inner wall of the movable groove, is located on one side, away from the driving rod, of the handle, and is abutted to the handle.

Furthermore, a through groove is formed in the movable block along the axial direction of the lifting screw body in a penetrating mode, and the lifting screw body penetrates through the through groove.

Compared with the prior art, the utility model provides a pair of adjust convenient lifting screw can come to adjust the position of movable block according to the degree of depth of screw to make lifting screw get into the inside back of screw in the removal, its head can support tightly with the movable block outer wall all the time, and then effectively improved lifting screw's range of application, avoided lifting screw to use because of its head can't support tightly when the shorter screw of degree of depth is inside to fix its unstable problem that leads to.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic overall structural diagram provided by an embodiment of the present invention;

fig. 2 is a schematic front sectional view of an overall structure provided by an embodiment of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to an embodiment of the present invention;

fig. 4 is an enlarged view of the position B in fig. 2 according to the embodiment of the present invention.

Description of the reference numerals:

1. a lifting screw body; 2. a tightening block; 3. a movable block; 4. fixing a sleeve; 5. a sliding sleeve; 6. a clamping block; 7. a card slot; 8. a drive block; 9. a connecting rod; 10. a drive rod; 11. a movable groove; 12. a handle; 13. a spring; 14. a limiting block; 15. and (6) penetrating through the groove.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1-4, a lifting screw convenient to adjust comprises a lifting screw main body 1, wherein an adjusting mechanism is arranged outside the lifting screw main body 1, the adjusting mechanism comprises a resisting block 2 screwed outside the lifting screw main body 1, a movable block 3 movably sleeved outside the lifting screw main body 1, and two displacement assemblies arranged between the resisting block 2 and the movable block 3 and used for driving the movable block 3 to move, and the movable block 3 is positioned on one side of the resisting block 2 close to the head of the lifting screw main body 1;

the two displacement components are symmetrically arranged at two sides of the lifting screw body 1, the displacement components comprise a fixed sleeve 4 fixedly connected on the abutting block 2, two combination grooves symmetrically arranged on the inner wall of the fixed sleeve 4, a sliding sleeve 5 in sliding connection with the inner wall of the fixed sleeve 4, two clamping blocks 6 symmetrically arranged inside the sliding sleeve 5 and a driving part for driving the two clamping blocks 6 to move oppositely, the combination grooves comprise a plurality of clamping grooves 7 axially arranged on the inner wall of the fixed sleeve 4, one end of the sliding sleeve 5 extends to the outside of the fixed sleeve 4 and is fixedly connected with the outer wall of the movable block 3, one sides, far away from the two clamping blocks 6, of the two clamping blocks 6 extend to the outside of the sliding sleeve 5 and are in sliding connection with the sliding sleeve 5, the clamping blocks 6 are respectively matched with the clamping grooves 7 in the two combination grooves, the driving part comprises a driving block 8 in sliding connection with the inner wall of the sliding sleeve 5, two connecting rods 9 hinged on the outer wall of one side, close to the clamping blocks 6, of the driving block 8 and a driving rod 10 fixedly connected on the outer wall of the other side of the driving block 8, the other ends of the two connecting rods 9 are respectively hinged with the outer wall of one side of the two clamping blocks 6 close to each other, the driving rod 10 is driven to move leftwards, the driving block 8 moves leftwards along the inner wall of the sliding sleeve 5, the two clamping blocks 6 are driven to mutually close through the two connecting rods 9, so that the two clamping blocks 6 are separated from the inner parts of the corresponding clamping grooves 7, the position of the sliding sleeve 5 can be adjusted, the position of the movable block 3 can be adjusted, after the position of the sliding sleeve 5 is adjusted, the driving rod 10 is driven to move rightwards, the driving block 8 is matched with the two connecting rods 9 to drive the two clamping blocks 6 to mutually separate from being clamped into the inner parts of the corresponding clamping grooves 7, the position of the movable block 3 can be fixed, when the lifting screw main body 1 is used, the position of the movable block 3 can be adjusted according to the depth of a screw hole, therefore, after the lifting screw main body 1 moves into the screw hole, the head of the lifting screw main body can be always tightly abutted against the outer wall of the movable block 3, and the application range of the lifting screw is further effectively enlarged;

two movable grooves 11 corresponding to the two sliding sleeves 5 are formed in the outer wall of one side, far away from the abutting block 2, of the movable block 3, handles 12 are connected to the insides of the two movable grooves 11 in a sliding mode, the other ends of the two driving rods 10 extend into the insides of the two movable grooves 11 respectively and are fixedly connected with the two handles 12 respectively, springs 13 are sleeved on the outsides of the two driving rods 10 respectively, one ends of the springs 13 are fixedly connected with the inner walls of the movable grooves 11, the other ends of the springs 13 are fixedly connected with the outer walls of the handles 12, the movable grooves 11 are formed in a mode that the handles 12 and the springs 13 are arranged on the inner sides of the movable block 3 conveniently, so that the movable block 3 is not affected by contact with the head of the lifting screw main body 1, the driving rods 10 can be driven to move leftwards synchronously by driving the handles 12 leftwards, the springs 13 contract accordingly, and when the handles 12 are loosened, the handles 12 can be driven to move rightwards and reset through the counter-elastic force of the springs 13;

a limit block 14 is fixedly connected to the inner wall of the movable groove 11, the limit block 14 is located on one side of the handle 12 far away from the driving rod 10 and is abutted against the handle 12, and the limit block 14 is used for limiting the moving range of the handle 12, so that the handle 12 is prevented from moving out of the movable groove 11;

the inside of movable block 3 has run through along lifting screw main part 1 axial and has seted up wearing groove 15, and lifting screw main part 1 runs through wearing groove 15 and sets up, and the setting of wearing groove 15 is used for preventing movable block 3 and lifting screw main part 1 contact.

The working principle is as follows: during the use, move left through promoting two handles 12 in step, and then drive two actuating lever 10 and move left in step, the drive block 8 moves left along the inner wall of sliding sleeve 5 thereupon, and then drive two fixture blocks 6 respectively through two connecting rods 9 and be close to each other, thereby make two fixture blocks 6 break away from the inside that corresponds draw-in groove 7, can adjust the position of sliding sleeve 5, thereby adjust the position of movable block 3, after the completion of sliding sleeve 5 position control, drive actuating lever 10 and move right through the bounce of spring 13, and then drive two fixture blocks 6 through two connecting rods 9 of drive block 8 cooperation and keep away from each other and block into the inside that corresponds draw-in groove 7, can accomplish the fixed of movable block 3 position, when using lift screw main part 1, adjust the position of movable block 3 according to the degree of depth of screw, thereby make lift screw main part 1 after the removal gets into the screw is inside, its head can support tightly with movable block 3 outer wall all the time, and then effectively improved the range of application of lift screw.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides an adjust convenient lifting screw, includes lifting screw main part (1), its characterized in that, the outside of lifting screw main part (1) is provided with adjustment mechanism, adjustment mechanism includes that the spiro union is established at the outside tight piece (2), the activity cover of supporting of lifting screw main part (1) outside movable block (3) and is setting up and supporting tightly between piece (2) and movable block (3) with being used for driving two displacement subassemblies that movable block (3) removed.

2. The lifting screw convenient to adjust as recited in claim 1, wherein two displacement assemblies are symmetrically arranged on two sides of the lifting screw body (1), each displacement assembly comprises a fixed sleeve (4) fixedly connected to the abutting block (2), two combination grooves symmetrically formed on the inner wall of the fixed sleeve (4), a sliding sleeve (5) slidably connected to the inner wall of the fixed sleeve (4), two clamping blocks (6) symmetrically arranged inside the sliding sleeve (5) and a driving part for driving the two clamping blocks (6) to move in opposite directions, each combination groove comprises a plurality of clamping grooves (7) axially formed on the inner wall of the fixed sleeve (4), one end of the sliding sleeve (5) extends to the outside of the fixed sleeve (4) and is fixedly connected with the outer wall of the movable block (3), one sides of the two clamping blocks (6) far away from each extend to the outside of the sliding sleeve (5) and are slidably connected with the sliding sleeve (5), and the clamping blocks (6) are respectively matched with the clamping grooves (7) in the two combination grooves.

3. The adjustable lifting screw according to claim 2, wherein the driving member comprises a driving block (8) slidably connected to the inner wall of the sliding sleeve (5), two connecting rods (9) hinged to the outer wall of the driving block (8) near one side of the clamping block (6), and a driving rod (10) fixedly connected to the outer wall of the driving block (8) at the other side, and the other ends of the two connecting rods (9) are respectively hinged to the outer walls of the two clamping blocks (6) near one side.

4. The lifting screw convenient to adjust is characterized in that two movable grooves (11) corresponding to the two sliding sleeves (5) are formed in the outer wall of one side, away from the abutting block (2), of the movable block (3), handles (12) are connected to the inner portions of the movable grooves (11) in a sliding mode, the other ends of the driving rods (10) extend into the inner portions of the two movable grooves (11) respectively and are fixedly connected with the two handles (12) respectively, springs (13) are sleeved on the outer portions of the driving rods (10), one ends of the springs (13) are fixedly connected with the inner wall of the movable grooves (11), and the other ends of the springs (13) are fixedly connected with the outer wall of the handles (12).

5. The lifting screw convenient to adjust as claimed in claim 4, wherein a limit block (14) is fixedly connected to the inner wall of the movable groove (11), and the limit block (14) is located on one side of the handle (12) far away from the driving rod (10) and is abutted against the handle (12).

6. The lifting screw convenient to adjust as claimed in claim 1, wherein a through groove (15) is formed in the movable block (3) in a penetrating manner along the axial direction of the lifting screw body (1), and the lifting screw body (1) is arranged in the through groove (15).