CN214686368U - Pressing device for chain locking clamp spring - Google Patents

Pressing device for chain locking clamp spring Download PDF

Info

Publication number
CN214686368U
CN214686368U CN202120793266.1U CN202120793266U CN214686368U CN 214686368 U CN214686368 U CN 214686368U CN 202120793266 U CN202120793266 U CN 202120793266U CN 214686368 U CN214686368 U CN 214686368U
Authority
CN
China
Prior art keywords
pressing block
spring
chain
clamping
clamp spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202120793266.1U
Other languages
Chinese (zh)
Inventor
马美琴
曹永楼
戴兴仁
叶玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huangshan Zhongyou Chain Manufacture Co ltd Of Anhui
Original Assignee
Huangshan Zhongyou Chain Manufacture Co ltd Of Anhui
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huangshan Zhongyou Chain Manufacture Co ltd Of Anhui filed Critical Huangshan Zhongyou Chain Manufacture Co ltd Of Anhui
Priority to CN202120793266.1U priority Critical patent/CN214686368U/en
Application granted granted Critical
Publication of CN214686368U publication Critical patent/CN214686368U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Clamps And Clips (AREA)

Abstract

The utility model relates to the technical field of chain production equipment, and provides a compressing device for a chain locking snap spring, aiming at solving the problems that the installation of the snap spring type chain locking snap spring is manual installation, the clamping is very strenuous, an opening clamp is easy to spring open, the gap is large after the clamping is closed, and the assembly efficiency is low; the movable clamping surfaces of the left pressing block and the right pressing block are provided with clamp spring grooves matched with the clamp springs, and the lower sides of the movable clamping surfaces are provided with straight-edge pressing surfaces used for clamping straight edges of clamp spring openings. The utility model discloses the high-efficient installation of only locking jump ring that is particularly useful for jump ring formula chain has higher social use value and application prospect.

Description

Pressing device for chain locking clamp spring
Technical Field
The utility model relates to a chain production facility technical field, concretely relates to closing device of chain only lock jump ring.
Background
The chain lock comprises an elastic lock piece type, a split pin type, a lock pin type and a clamp spring type. The clamp spring type chain is generally used for a heavy-duty conveying chain, and in a chain with a requirement on the length of a pin shaft, after the pin shaft is provided with the clamp spring groove, the total length of the pin shaft can be shortened, and the interference between the pin shaft and a guide rail is avoided.
At present, a clamp spring type chain locking device is installed in a manner that a clamp spring is sleeved in a pin shaft groove, a worker clamps openings at two ends of the clamp spring through an opening clamp and slowly clamps the clamp spring to be closed, but the worker is very strenuous during clamping, the opening clamp is easy to spring open, a gap is large after the clamp is closed, and the assembly efficiency is low; meanwhile, deep clamping marks are left at two ends of the clamp spring, so that the appearance is influenced.
To this end, a clamping device for a chain locking snap spring is proposed.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a closing device of chain only lock jump ring has overcome the not enough of prior art, reasonable in design, and compact structure aims at solving the installation of jump ring formula chain only lock and is artifical the installation, and is harder when pressing from both sides tightly, and the opening pincers pop open easily, and the gap is bigger after the closure, the lower problem of assembly efficiency.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a pressing device of a chain locking clamp spring comprises a left pressing block and a right pressing block which are arranged in parallel, wherein the upper sides of the opposite end surfaces of the left pressing block and the right pressing block are hinged through hinge bolts to form movable clamping surfaces, and handles are arranged at the bottom ends of the left pressing block and the right pressing block;
the movable clamping surfaces of the left pressing block and the right pressing block are provided with clamp spring grooves matched with the clamp springs, and the lower sides of the movable clamping surfaces are provided with straight-edge pressing surfaces used for clamping straight edges of clamp spring openings.
Preferably, the upper end of the clamp spring groove is a straight-edge groove, and the inner opening of the lower end of the clamp spring groove is an arc-shaped groove.
Preferably, the upper sides of the opposite end surfaces of the left pressing block and the right pressing block are integrally formed with semicircular connecting parts for hinging the hinge bolts, and hinge holes matched with the hinge bolts are formed in the semicircular connecting parts.
Preferably, the maximum opening and closing angle of the left pressing block and the right pressing block is 120-150 degrees.
Preferably, the upper end of the handle is of a threaded structure, and the upper end of the handle is inserted into the handle mounting holes formed in the bottom ends of the left pressing block and the right pressing block in a matching threaded manner.
Preferably, the length of the handle is 1.5-2 times of the length of the left pressing block and the length of the right pressing block, and anti-skid grains are formed in the annular outer wall of the handle.
(III) advantageous effects
The embodiment of the utility model provides a closing device of chain only lock jump ring possesses following beneficial effect:
1. the utility model discloses in, when the jump ring card in the round pin axle groove of chain, both ends circular arc about the jump ring is pushed down respectively to the jump ring groove of left briquetting and right briquetting, and the straight flange compresses tightly the straight flange that the face pushed down jump ring both ends opening part, through pulling the handle, becomes the ring form with the jump ring plastic, makes the jump ring closure at last compress tightly, and it is little to compress tightly the back gap, and installs simple structure, convenient to use.
2. The utility model discloses in, through left briquetting 1, right briquetting 2 and compress tightly the cooperation, the jump ring both ends all can not leave the pincers seal, have guaranteed pleasing to the eye effect.
Drawings
The above-mentioned characteristics, technical features, advantages and realisations of a pressing device for chain detent springs will be further explained in a clearly understandable manner, in connection with the accompanying drawings, which illustrate preferred embodiments.
FIG. 1 is a structural appearance diagram of the present invention;
FIG. 2 is a schematic view of the structure of the present invention in a compressed state;
FIG. 3 is a schematic view of the open/close state of the structure of the present invention;
FIG. 4 is a schematic view of the combined structure of the left pressing block and the right pressing block of the present invention;
FIG. 5 is a schematic view of the handle structure of the present invention;
FIG. 6 is a top view of the combined structure of the left pressing block and the right pressing block of the present invention;
FIG. 7 is a schematic view of the structure of the middle clamp spring of the present invention;
fig. 8 is the clamp spring structure schematic diagram of the middle compression of the utility model.
In the figure: the left pressing block 1, the right pressing block 2, the hinge bolt 3, the handle 4, the clamp spring groove 5, the semicircular connecting part 6, the straight-edge pressing surface 7, the handle mounting hole 8, the hinge hole 9, the clamp spring a and the straight edge a 1.
Detailed Description
The invention will be further described with reference to the following figures 1-8 and examples:
example 1
A pressing device for a chain locking clamp spring comprises a left pressing block 1 and a right pressing block 2 which are arranged in parallel, wherein the upper sides of the opposite end surfaces of the left pressing block 1 and the right pressing block 2 are hinged through a hinge bolt 3 to form a movable clamping surface, and handles 4 are arranged at the bottom ends of the left pressing block 1 and the right pressing block 2;
the movable clamping surfaces of the left pressing block 1 and the right pressing block 2 are both provided with clamp spring grooves 5 matched with clamp springs a, and the lower sides of the movable clamping surfaces are provided with straight-edge pressing surfaces 7 used for clamping straight edges a1 at openings of the clamp springs a;
when the clamp spring a is clamped in a pin shaft groove of the chain, the clamp spring grooves 5 of the left pressing block 1 and the right pressing block 2 respectively press arcs at the left end and the right end of the clamp spring a, the straight-edge pressing surface 7 presses the straight edges a1 at openings at the two ends of the clamp spring a, the clamp spring a is shaped into a circular ring by pulling the handle 4, the clamp spring a is finally closed and pressed, the gap after pressing is small, and the device is simple in structure and convenient to use.
In this embodiment, as shown in fig. 2 to 4, the upper end of the clamp spring groove 5 is a straight groove, and the inner opening of the lower end is an arc groove.
In this embodiment, as shown in fig. 1 to 4, a semicircular connecting portion 6 for hinging the hinge bolt 3 is integrally formed on the upper side of the opposite end surfaces of the left pressing block 1 and the right pressing block 2, and a hinge hole 9 matched with the hinge bolt 3 is formed in the semicircular connecting portion 6, so that the left pressing block 1 and the right pressing block 2 are ensured to concentrically rotate around the hinge bolt 3 on the semicircular connecting portion 6, and then the clamp spring a is ensured to be shaped into a circular ring shape, so that the clamp spring a is closed and compressed.
In this embodiment, as shown in fig. 3, the maximum opening and closing angle of the left pressing block 1 and the right pressing block 2 is 120 to 150 degrees, so that the clamping spring a of the chain can be effectively matched with the clamping requirement, and the clamping spring can be quickly clamped.
In this embodiment, as shown in fig. 5, the upper end of the handle 4 is of a threaded structure, and the upper end of the handle 4 is inserted into the handle mounting hole 8 formed at the bottom ends of the left pressing block 1 and the right pressing block 2 in a matching threaded manner, so that convenient and fast installation is ensured, and the threaded connection is convenient to detach and then carry.
In this embodiment, as shown in fig. 1-4, the length of the handle 4 is 1.5-2 times of the length of the left pressing block 1 and the right pressing block 2, and the annular outer wall of the handle 4 is provided with the anti-slip pattern, so that the pressing force is reduced, and the clamp spring can be pressed by only slightly moving the handle arm.
The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.

Claims (6)

1. The pressing device for the chain locking snap spring is characterized by comprising a left pressing block (1) and a right pressing block (2) which are arranged in parallel, wherein the upper sides of the opposite end surfaces of the left pressing block (1) and the right pressing block (2) are hinged through a hinge bolt (3) to form a movable clamping surface, and handles (4) are arranged at the bottom ends of the left pressing block (1) and the right pressing block (2);
the clamping spring groove (5) matched with the clamping spring (a) is formed in the movable clamping surfaces of the left pressing block (1) and the right pressing block (2), and a straight-edge pressing surface (7) used for clamping the straight edge (a1) at the opening of the clamping spring (a) is arranged on the lower side of the movable clamping surface.
2. The pressing device of a chain detent spring as claimed in claim 1, wherein: the upper end of the clamp spring groove (5) is a straight edge groove, and the inner opening of the lower end is an arc-shaped groove.
3. The pressing device of a chain detent spring as claimed in claim 1, wherein: the upper sides of the opposite end surfaces of the left pressing block (1) and the right pressing block (2) are respectively integrally formed with a semicircular connecting part (6) used for hinging the bolt (3), and the semicircular connecting part (6) is provided with a hinge hole (9) matched with the hinge bolt (3).
4. The pressing device of a chain detent spring as claimed in claim 1, wherein: the maximum opening and closing angle of the left pressing block (1) and the right pressing block (2) is 120-150 degrees.
5. The pressing device of a chain detent spring as claimed in claim 1, wherein: the upper end of the handle (4) is of a threaded structure, and the upper end of the handle (4) is matched with threads and is inserted into a handle mounting hole (8) formed in the bottom ends of the left pressing block (1) and the right pressing block (2).
6. The pressing device of a chain detent spring as claimed in claim 1, wherein: the length of the handle (4) is 1.5-2 times of the length of the left pressing block (1) and the right pressing block (2), and anti-skid grains are arranged on the annular outer wall of the handle (4).
CN202120793266.1U 2021-04-16 2021-04-16 Pressing device for chain locking clamp spring Active CN214686368U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120793266.1U CN214686368U (en) 2021-04-16 2021-04-16 Pressing device for chain locking clamp spring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120793266.1U CN214686368U (en) 2021-04-16 2021-04-16 Pressing device for chain locking clamp spring

Publications (1)

Publication Number Publication Date
CN214686368U true CN214686368U (en) 2021-11-12

Family

ID=78532192

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120793266.1U Active CN214686368U (en) 2021-04-16 2021-04-16 Pressing device for chain locking clamp spring

Country Status (1)

Country Link
CN (1) CN214686368U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113146551A (en) * 2021-04-16 2021-07-23 安徽黄山中友链条制造有限公司 Pressing device of chain locking clamp spring and assembling method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113146551A (en) * 2021-04-16 2021-07-23 安徽黄山中友链条制造有限公司 Pressing device of chain locking clamp spring and assembling method thereof

Similar Documents

Publication Publication Date Title
CN214686368U (en) Pressing device for chain locking clamp spring
CN103624737B (en) Installation device for piston pin clamping spring
CN113146551A (en) Pressing device of chain locking clamp spring and assembling method thereof
CN2780417Y (en) Tong handle
CN203105863U (en) Invisible zipper puller
CN204029942U (en) Battery clamp
CN218801707U (en) Novel flip fastening device
CN204003979U (en) A kind of splicing bearing bush structure
KR101116044B1 (en) Apparatus for press-connecting pipes
CN211211720U (en) Rocker structure connecting lock
CN210849198U (en) Machining tool for front drive axle housing
CN209448081U (en) Integral type precision connector
CN2369830Y (en) Multipurpose compressing device of screw spring
CN103722619A (en) Quick opening and closing clamp for concrete precast pile steel die
CN207504309U (en) A kind of abnormity wire clamp surely fills device
CN211530259U (en) Holeless closed plane type electric appliance socket panel
CN204982038U (en) Hold -down mechanism of real empty room box door
CN212931240U (en) Examine a buckle positioning mechanism
CN203967687U (en) Strain clamp
CN208034498U (en) Clamping and positioning device for automobile engine key stamping parts
CN220241363U (en) Press-fitting device for valve lock clamp of diesel engine
CN212542250U (en) Momentary action trigger switch
CN216324911U (en) Press riveting pincers
CN209461399U (en) A kind of breaker closing pawl
CN215789305U (en) Spiral graphite electrode clamping ring

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant