CN219345201U - Toggle type limiting pin structure - Google Patents
Toggle type limiting pin structure Download PDFInfo
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- CN219345201U CN219345201U CN202222925530.XU CN202222925530U CN219345201U CN 219345201 U CN219345201 U CN 219345201U CN 202222925530 U CN202222925530 U CN 202222925530U CN 219345201 U CN219345201 U CN 219345201U
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- pin
- base sleeve
- hole
- thimble
- diameter section
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Abstract
The utility model discloses a toggle limiting pin structure which comprises a thimble, a toggle handle, a spring and a base sleeve I, wherein the base sleeve I is connected with an external mounting piece, a through hole C is formed in the top end of the base sleeve I, and the thimble extends out of the through hole C of the base sleeve I and then is in pin joint with two pin lugs of the toggle handle; the spring is arranged in the base sleeve I and sleeved on the outer circumferential surface of the thimble; each pin lug is provided with a pin hole B, and the pin holes B of the two pin lugs are opposite; the distance L between the center point of the pin hole B on each pin lug and the side edge of the pin lug is unequal to the distance L between the center point of the pin hole B and the end part of the pin lug; according to the utility model, when the pipeline stretches and stretches in place, the stretching of the pin head in the limiting pin is realized by stirring the limiting pin, so that the operation is convenient, the on-site working procedures are reduced, the working efficiency is improved, the friction is reduced, and the abrasion of the limiting pin on the pipeline or other parts needing relative limiting is reduced.
Description
Technical Field
The utility model belongs to the technical field of connection, and particularly relates to a toggle limiting pin structure.
Background
For the extension of the pipeline, the form of welding extension, connecting extension by adopting a connecting piece or expansion limit extension by utilizing a limit pin is generally adopted, the welding extension and the connecting by utilizing the connecting piece are adopted, and the working procedure is added when the pipeline is connected, so that the working efficiency is low; the limiting pin can be fixed on the pipeline in a limiting mode when the pipeline is processed, and the relative expansion and contraction between the pipelines can be controlled only by controlling the expansion and the retraction of the limiting pin in the use process of the pipeline, so that the pipeline is prolonged. The tradition can adopt the form of the spring pin on the similar umbrella telescopic link, but the spring pin can produce frictional force at the flexible in-process of outer pipeline with outer pipeline, is unfavorable for the flexible of smooth of pipeline, and long-term use can cause wearing and tearing to the pipeline.
Disclosure of Invention
In view of the above, the utility model provides a toggle limiting pin structure, which can realize the expansion and contraction of the pin head in the limiting pin by toggling the limiting pin when the pipeline moves in place, is convenient to operate, reduces on-site procedures, improves the working efficiency, reduces the friction and reduces the abrasion of the limiting pin on the pipeline or other parts needing relative limiting.
The utility model is realized by the following technical scheme:
a toggle limiting pin structure comprises a thimble, a toggle handle, a spring and a base sleeve I;
the base sleeve I is of a shell structure with one end open and one end provided with a through hole C;
the thimble is of a stepped cylindrical structure, and a middle diameter section, a large diameter section and a small diameter section are sequentially arranged from one end of the thimble to the other end of the thimble;
the poking handle is an integrated structure with a poking piece at one end and two pin lugs at the other end, the two pin lugs are arranged at two ends of the side edge of the poking piece, each pin lug is provided with a pin hole B, and the pin holes B of the two pin lugs are opposite; the distance L between the center point of the pin hole B on each pin lug and the side edge of the pin lug is unequal to the distance L between the center point of the pin hole B and the end part of the pin lug;
the connection relation of the thimble, the shifting handle, the spring and the base sleeve I is as follows:
the open end of the base sleeve I is connected with an external mounting piece, a through hole F is formed in the surface of the external mounting piece, a thimble penetrates through the base sleeve I, and the end part of the small-diameter section of the thimble is opposite to the through hole F; the end part of the middle diameter section of the thimble extends out of the through hole C of the base sleeve I and is in pin joint with two pin lugs of the poking handle; the spring is arranged in the base sleeve I, sleeved on the outer circumferential surface of the middle diameter section of the thimble, one end of the spring is propped against a step surface formed by the middle diameter section and the large diameter section of the thimble, and the other end of the spring is propped against the inner bottom surface of the end where the through hole C of the base sleeve I is positioned; the two pin lugs of the shifting handle are propped against the end face of the through hole C of the base sleeve I under the action of the spring.
Further, the distance L from the center of the pin hole B to the side of the pin ear is smaller than the distance L from the center of the pin hole B to the end of the pin ear.
Further, the end part of the pin lug and the side edge of the pin lug are provided with transition fillets.
Further, the open end of base sleeve I is provided with the border.
Further, a through hole D is formed in the middle of the poking piece.
Further, the base sleeve I is replaced by the matched connection of the base sleeve II and the gland, the base sleeve II is of a shell structure with two open ends, one end of the base sleeve II is connected with an external mounting piece, and the other end of the base sleeve II is provided with external threads;
the top of the gland is provided with a through hole G, and the side wall is provided with internal threads;
the gland is connected with the base sleeve II through threads, and the pitch diameter section of the thimble extends out of the through hole G of the gland.
The beneficial effects are that:
(1) The toggle limiting pin structure comprises a thimble, a toggle, a spring and a base sleeve I, wherein the open end of the base sleeve I is connected with an external mounting piece, a through hole F is formed in the surface of the external mounting piece, the thimble is arranged in the base sleeve I in a penetrating manner, and the end part of a small-diameter section of the thimble is opposite to the through hole F; the middle diameter section of the thimble extends out of the through hole C of the base sleeve I and then is in pin joint with two pin lugs of the poking handle, the spring is arranged in the base sleeve I and sleeved on the outer circumferential surface of the middle diameter section of the thimble, one end of the spring abuts against a step surface formed by the middle diameter section and the large diameter section of the thimble, the other end of the spring abuts against the inner bottom surface of the end of the through hole C of the base sleeve I, and the two pin lugs of the poking handle abut against the end surface of the end of the through hole C of the base sleeve I under the action of the spring; the pin lug of the shifting handle is adjusted to be propped against the base sleeve I by shifting the shifting handle, so that the pin head on the thimble is adjusted to extend or retract relative to the base sleeve I, the operation is convenient, and the operation efficiency can be improved; and utilize stir formula spacer pin structure to avoid the friction between the tip of spacer pin's minor diameter section and the part that needs relative spacing, be convenient for this part flexible smoothly or remove, extension this part's life.
(2) The transition fillets are arranged at the end part of the pin lug and the side edge of the pin lug, so that smooth transition can be realized when the handle is stirred, and the purpose of saving labor is achieved.
(3) The opening end of the base sleeve I is provided with the edge, so that the base sleeve I is convenient to install with an external installation piece.
(4) The middle of the shifting sheet is provided with the through hole D, so that the shifting sheet is convenient to connect with external driving, for example, a connecting rope is used for shifting a shifting handle.
(5) According to the utility model, the base sleeve II and the gland are matched and connected to replace the base sleeve I, the base sleeve II is a shell structure with two open ends, one end of the base sleeve II is connected with an external mounting piece, and the other end of the base sleeve II is provided with external threads; the top of the gland is provided with a through hole G, and the side wall is provided with internal threads; the gland is connected with the base sleeve II through threads; the base sleeve I is replaced by the matched connection of the base sleeve II and the gland, so that the gland can be disassembled, and the assembly of the whole structure of the limiting pin is facilitated.
Drawings
FIG. 1 is an overall structure diagram I;
FIG. 2 is a schematic view of a base sleeve I, wherein (1) is a front view, (2) is a side view, and (3) is a top view;
FIG. 3 is a schematic view of a thimble;
FIG. 4 is a schematic view of a handle, wherein (1) is a front view, (2) is a side view, and (3) is a top view;
FIG. 5 is a schematic view of a cotter pin;
FIG. 6 is an assembled schematic view;
FIG. 7 is an overall block diagram II;
FIG. 8 is a schematic view of a base sleeve II;
fig. 9 is a schematic diagram of a gland.
The novel anti-theft device comprises a 1-thimble, a 11-pin hole A, a 12-pin head, a 2-poking handle, a 3-cotter pin, a 31-poking piece, a 32-pin lug, a 33-pin hole B, a 4-spring, a 5-base sleeve I, a 6-base sleeve II and a 7-gland.
Detailed Description
The utility model will now be described in detail by way of example with reference to the accompanying drawings.
Example 1:
the embodiment provides a toggle limiting pin structure, which is shown in the attached figure 1, and comprises a thimble 1, a toggle 2, a spring 4 and a base sleeve I5;
referring to fig. 2, the base sleeve i 5 is a shell structure with one end open and one end provided with a through hole C; the opening end of the base sleeve I5 is provided with an edge;
referring to fig. 3, the thimble 1 is of a stepped cylindrical structure, and a middle diameter section, a large diameter section and a small diameter section are sequentially arranged from one end of the stepped cylindrical structure to the other end of the stepped cylindrical structure; the end part of the intermediate diameter section is provided with a pin hole A11;
referring to fig. 4, the handle 2 is an integrally formed structure with a pulling piece 31 at one end and two pin lugs 32 at the other end, the pulling piece 31 is of a sheet structure, and a through hole D is formed in the middle; two pin lugs 32 are oppositely arranged at two ends of the side edge of the poking piece 31, each pin lug 32 is provided with a pin hole B, and the pin holes B of the two pin lugs 32 are opposite; the distance L from the center point of the pin hole B on each pin lug 32 to the side edge of the pin lug is not equal to the distance L from the center point of the pin hole B to the end of the pin lug; the end part of the pin lug and the side edge of the pin lug are provided with transition fillets; further, the distance L from the center of the pin hole B to the side of the pin ear is smaller than the distance L from the center of the pin hole B to the end of the pin ear.
The connection relation of the thimble 1, the poking handle 2, the spring 4 and the base sleeve I is as follows:
the base sleeve I5 is arranged on an external mounting part through the edge, a through hole F is formed in the surface of the external mounting part, the thimble 1 penetrates through the base sleeve I5, a small-diameter section of the thimble 1 is used as a pin joint 12 to be opposite to the through hole F, a middle-diameter section of the thimble 1 extends out of a through hole C of the base sleeve I5, and a pin hole A11 at the end part of the middle-diameter section is in pin joint with two pin lugs 32 of the poking handle 2 through a cotter pin 3; the spring 4 is arranged in the base sleeve I5, is sleeved on the outer circumferential surface of the middle diameter section of the thimble 1, one end of the spring abuts against a step surface formed by the middle diameter section and the large diameter section of the thimble 1, the other end of the spring abuts against the inner bottom surface of the end where the through hole C of the base sleeve I5 is located, and two pin lugs of the poking handle abut against the end surface where the through hole C of the base sleeve I is located under the action of the spring.
The limiting pin works according to the principle:
by pulling the handle 2, the thimble 1 is moved reciprocally relative to the base sleeve i 5, so that the pin head 12 of the thimble 1 extends or retracts relative to the through hole F of the external mounting member, specifically,
the state when the end part of the pin lug 32 on the shifting handle 2 is propped against the end surface of the through hole C of the base sleeve I5 under the action of the spring 4 is the state I, and at the moment, the compression amount of the spring is M;
the side edge of the pin lug 32 on the shifting handle 2 is enabled to be in a state II when propped against the end face of the through hole C of the base sleeve I5 under the action of the spring 4, and the compression amount of the spring is N;
then there are: L-l=m-N;
when L > L, the poking piece is poked to enable the limiting pin structure to be transited from the state I to the state II, M-N >0 is reduced, the compression amount of the spring is reduced, the spring is extended, and the thimble 1 moves towards the opening end of the base sleeve I5 under the action of the spring, so that the pin head 12 on the thimble 1 extends out relative to the through hole F of the external installation piece;
when L > L, the poking piece is poked to enable the limiting pin structure to be transited from the state II to the state I, N-M <0, the compression amount of the spring is increased, the spring is shortened, and the thimble 1 moves towards the end where the through hole C of the base sleeve I5 is located under the action of pulling force of the poking piece, so that the pin head 12 on the thimble 1 is retracted relative to the through hole F of the external installation piece.
The working method comprises the following steps: the toggle limiting pin structure is arranged on one side of an external mounting piece, the other side of the external mounting piece is provided with a part K which can move relative to the external mounting piece, and the part K is provided with a positioning hole;
limiting: when the through hole F on the external mounting piece is opposite to the positioning hole of the component K, the pin head 12 on the thimble 1 extends out of the positioning hole of the component K relative to the through hole F of the external mounting piece by poking the poking piece of the limiting pin structure, so as to limit the component K relative to the external mounting piece;
when the limit is released: the pin head 12 on the thimble 1 is retracted relative to the through hole F of the external mounting part by poking the poking piece of the limiting pin structure, and the limiting of the part K relative to the external mounting part is released.
Example 2:
based on embodiment 1, the embodiment provides a toggle limiting pin structure, referring to fig. 2 and 6, the external mounting part is of a double-cylinder telescopic structure, and comprises an outer cylinder and an inner cylinder, the outer cylinder is provided with a through hole F, and the inner cylinder is provided with a positioning hole; the base sleeve I5 is connected with the outer cylinder on the double-cylinder telescopic structure through the edge,
the contact surface between the edge of the base sleeve I5 and the double-cylinder telescopic structure is an arc-shaped surface and is used for being attached to the outer cylinder.
The other connection relationships and the working principles are the same as those of embodiment 1, and will not be described here again.
Example 3:
this embodiment provides a toggle limiting pin structure based on embodiment 1 or embodiment 2, referring to fig. 7, the base sleeve ii 5 is replaced by the mating connection of the base sleeve ii 6 and the gland 7, specifically:
the base sleeve II 6 is of a shell structure with two open ends, one end of the base sleeve II is provided with an edge and is used for being connected with an external mounting piece, and the other end of the base sleeve II is provided with external threads;
the top of the gland 7 is provided with a through hole G, and the side wall is provided with internal threads;
the gland 7 is connected with the base sleeve II 6 through threads, and the middle diameter section of the thimble 1 extends out of the through hole G.
The other connection relationships and the working principles are the same as those of embodiment 1, and will not be described here again.
In summary, the above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The toggle limiting pin structure is characterized by comprising a thimble, a toggle handle, a spring and a base sleeve I;
the base sleeve I is of a shell structure with one end open and one end provided with a through hole C;
the thimble is of a stepped cylindrical structure, and a middle diameter section, a large diameter section and a small diameter section are sequentially arranged from one end of the thimble to the other end of the thimble;
the poking handle is an integrated structure with a poking piece at one end and two pin lugs at the other end, the two pin lugs are arranged at two ends of the side edge of the poking piece, each pin lug is provided with a pin hole B, and the pin holes B of the two pin lugs are opposite; the distance L between the center point of the pin hole B on each pin lug and the side edge of the pin lug is unequal to the distance L between the center point of the pin hole B and the end part of the pin lug;
the connection relation of the thimble, the shifting handle, the spring and the base sleeve I is as follows:
the open end of the base sleeve I is connected with an external mounting piece, a through hole F is formed in the surface of the external mounting piece, a thimble penetrates through the base sleeve I, and the end part of the small-diameter section of the thimble is opposite to the through hole F; the end part of the middle diameter section of the thimble extends out of the through hole C of the base sleeve I and is in pin joint with two pin lugs of the poking handle; the spring is arranged in the base sleeve I, sleeved on the outer circumferential surface of the middle diameter section of the thimble, one end of the spring is propped against a step surface formed by the middle diameter section and the large diameter section of the thimble, and the other end of the spring is propped against the inner bottom surface of the end where the through hole C of the base sleeve I is positioned; the two pin lugs of the shifting handle are propped against the end face of the through hole C of the base sleeve I under the action of the spring.
2. The toggle pin structure of claim 1, wherein the distance L from the center of the pin bore B to the side of the pin bore is less than the distance L from the center of the pin bore B to the end of the pin bore.
3. The toggle pin structure of claim 1, wherein the pin lug ends and the pin lug sides are provided with transition fillets.
4. A toggle pin structure as claimed in any one of claims 1 to 3, wherein the open end of the base sleeve i is provided with a rim.
5. A toggle pin structure as claimed in any one of claims 1-3, wherein a through hole D is provided in the middle of the toggle piece.
6. The toggle limiting pin structure of claim 1, wherein the base sleeve I is replaced by the matched connection of the base sleeve II and the gland, the base sleeve II is a shell structure with two open ends, one end of the base sleeve II is connected with an external mounting piece, and the other end of the base sleeve II is provided with external threads;
the top of the gland is provided with a through hole G, and the side wall is provided with internal threads;
the gland is connected with the base sleeve II through threads, and the pitch diameter section of the thimble extends out of the through hole G of the gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222925530.XU CN219345201U (en) | 2022-11-03 | 2022-11-03 | Toggle type limiting pin structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222925530.XU CN219345201U (en) | 2022-11-03 | 2022-11-03 | Toggle type limiting pin structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219345201U true CN219345201U (en) | 2023-07-14 |
Family
ID=87075450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222925530.XU Active CN219345201U (en) | 2022-11-03 | 2022-11-03 | Toggle type limiting pin structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219345201U (en) |
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2022
- 2022-11-03 CN CN202222925530.XU patent/CN219345201U/en active Active
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