CN214686368U - Pressing device for chain locking clamp spring - Google Patents
Pressing device for chain locking clamp spring Download PDFInfo
- 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
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- pressing block
- spring
- chain
- clamping
- clamp spring
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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
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).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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CN202120793266.1U CN214686368U (en) | 2021-04-16 | 2021-04-16 | Pressing device for chain locking clamp spring |
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CN214686368U true CN214686368U (en) | 2021-11-12 |
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CN202120793266.1U Active CN214686368U (en) | 2021-04-16 | 2021-04-16 | Pressing device for chain locking clamp spring |
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Cited By (1)
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 |
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2021
- 2021-04-16 CN CN202120793266.1U patent/CN214686368U/en active Active
Cited By (1)
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 |
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