Welding clamp for upper hinge base and lower hinge base of civil air defense door
By designing an adjustable limit plate and clamping mechanism for the welding fixture, the problem of having many different models of welding fixtures for the upper and lower hinge bases of air-raid shelter doors was solved. This enabled the adaptation of different models and simplified operation, improving welding efficiency and management convenience.
Patent Information
- Application Number
- CN202520344928.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-01
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-01
AI Technical Summary
In the existing technology, there are many types of welding fixtures for the upper and lower hinge bases of air defense doors, which are inconvenient to manage and difficult to adapt to the welding requirements of different models.
A welding fixture comprising a rectangular base plate, a limiting plate, and a clamping mechanism is designed. The limiting plate is adjustable laterally, and the clamping mechanism is adjustable both laterally and longitudinally. It is equipped with a pressing component and a control component, and can adapt to welding different models of upper and lower hinge bases.
It features a simple and reasonable structure, convenient operation and use, and can be adapted and adjusted according to different models, thereby improving welding efficiency and management convenience.
Smart Images
Figure CN223801851U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of civil air defense door, especially a civil air defense door's up and down hinge base welding fixture BACKGROUND
[0002] The civil air defense door is the door of the entrance and exit of the people's air defense engineering, belongs to the civil air defense protection equipment, and the civil air defense door classification is distinct, and there are ordinary single and double leaf protective airtight door and airtight door, movable door threshold single and double leaf protective airtight door and airtight door and various civil air defense equipment, and the door hinge base is the accessory of the civil air defense door, and the door leaf and the door frame of the civil air defense door are connected through the door hinge. Figure 1 It is the structure diagram of the up and down hinge base, including the base plate and two weldings in the base plate on the rib strip, the width of the base plate and the distance between the two rib strips are different on the civil air defense door of different models, when welding, different specifications of the fixture are needed to clamp, so that the fixture model is more, and the management is inconvenient, therefore, how to design a set of universal fixture for the up and down hinge base of different models becomes the problem to be solved. UTILITY MODEL CONTENTS
[0003] In view of the above technical problems of prior art, the utility model wants to solve the technical problem of providing a simple and reasonable structure, convenient operation and use, and the up and down hinge base welding fixture can be adjusted according to different models
[0004] In order to solve the above technical problem, the utility model adopts the following technical scheme:
[0005] A civil air defense door's up and down hinge base welding fixture, including the base plate of rectangular, the first limit board of horizontal arrangement and the second limit board of vertical arrangement are provided with on the base plate, the second limit board is located in the length direction of the first limit board one side, and the two form the positioning area for placing the base plate between them, the height of the first limit board is less than the thickness of the base plate, the second limit board can be fixed on the base plate and adjusted horizontally, the base plate has two clamping mechanisms arranged side by side along the horizontal direction, the clamping mechanism has the pressure assembly for pressing the rib strip, the pressure assembly can be telescopic and towards the positioning area, at least one clamping mechanism can be fixed on the base plate and adjusted horizontally.
[0006] In the structure, the second limiting plate can move laterally on the base plate, so that the positioning edge of the positioning area in the lateral direction can be adjusted to edge-position different widths of the seat plate; meanwhile, the at least one clamping mechanism can be adjusted laterally on the base plate, so that the lateral spacing between the two clamping mechanisms can be adjusted to adapt to different spacings of the ribs. During welding, the two side edges of the seat plate are respectively attached to the first limiting plate and the second limiting plate; and the ribs are placed on the corresponding positions of the seat plate, and the ribs are tightly pressed on the seat plate by the two pressing assemblies, so that the ribs and the seat plate are conveniently welded. The clamp can adapt to the welding of different models of upper and lower hinge bases, is convenient to operate and use, and is convenient to manage and use.
[0007] Further, the clamping mechanism comprises a bottom plate mounted on the base plate, and the side of the bottom plate facing the positioning area is provided with a positioning plate extending in the longitudinal direction. The two positioning plates are arranged side by side in the lateral direction, and the spacing of the two positioning plates matches the width of the rib.
[0008] In this way, the relative position of the rib and the clamping mechanism can be determined by the two positioning plates on the bottom plate. For different models of upper and lower hinge bases, only the relative position of the two clamping mechanisms needs to be adjusted, and the position of the two ribs to be welded can be determined, so that the adjustment of the clamp is more convenient and simple.
[0009] Further, the side of the bottom plate facing the positioning area is provided with a stop block, and the stop block is located at the end of the two positioning plates away from the positioning area and is arranged between the two positioning plates.
[0010] In this way, by arranging the stop block between the two positioning plates, the position of the rib to be welded in the longitudinal direction can be limited, so that the positioning between the rib and the seat plate can be quickly realized.
[0011] Further, the side of the bottom plate facing the positioning area is provided with a first hinge support; the pressing assembly comprises a first clamping arm rotatably arranged on the first hinge support through a transversely arranged hinge shaft, the middle part of the first clamping arm has a second clamping arm extending towards the positioning area, and the end of the second clamping arm away from the first clamping arm has a pressing head arranged downward; and a control assembly for rotating and locking the first clamping arm is arranged between the upper end of the first clamping arm and the bottom plate.
[0012] Further, the lower end of the pressing head has a positioning groove penetratingly arranged along the length direction of the second clamping arm, and the width of the positioning groove matches the width of the rib to be welded; and the two sides of the positioning groove have outwardly expanded guide surfaces.
[0013] Thus, the guiding surface and the positioning groove can guide the to-be-welded rib into the positioning groove, so that the welding position of the rib can be determined more accurately, and the welding quality is ensured.
[0014] Further, the operating assembly comprises a second hinge support arranged on the bottom plate, the second hinge support being located on a side of the bottom plate away from the positioning area; the second hinge support is rotatably provided with a telescopic cylinder through a horizontally arranged hinge shaft, the telescopic rod of the telescopic cylinder is directed towards the first clamping arm and is hinged to the upper end of the first clamping arm.
[0015] Thus, when the telescopic rod of the telescopic cylinder is extended towards the first clamping arm, the first clamping arm is pushed to rotate towards the positioning area, so that the first clamping arm is driven to rotate towards the positioning area, and the pressing head can be pressed on the to-be-welded rib; when the telescopic rod of the telescopic cylinder is kept in the extended state, the pressing head is always kept in the pressing state, so that the first clamping arm is locked.
[0016] Further, the front end of the telescopic cylinder is connected with a mounting plate through bolts, the mounting plate has a clearance hole corresponding to the telescopic rod in the middle, and both sides have rotating shafts protruding outward along the radial direction of the clearance hole; the second hinge support comprises two vertically arranged supporting ears, the supporting ears have coaxial shaft holes, and the two rotating shafts of the mounting plate are rotatably fitted in the shaft holes of the supporting ears.
[0017] Further, the bottom plate has at least two first bolt holes arranged through, the second limiting plate has at least two second bolt holes arranged through, the base plate has a first thread hole group and a second thread hole group corresponding to the first bolt hole and the second bolt hole respectively, and the first thread hole group and the second thread hole group are arranged one-to-one and in multiple groups in the horizontal direction.
[0018] Thus, by arranging the first thread hole group and the second thread hole group one-to-one, the bottom plate and the second limiting plate can be respectively installed on the corresponding first thread hole group and the second thread hole group, so that the upper hinge base and the lower hinge base of the corresponding type can be welded.
[0019] Further, the bottom plate has two first pin holes arranged through, the second limiting plate has two second pin holes arranged through, the base plate has a first positioning pin hole and a second positioning pin hole corresponding to the first pin hole and the second pin hole respectively; the first pin hole and the corresponding first positioning pin hole are coaxially connected through a first pin, the second pin hole and the corresponding second positioning pin hole are coaxially connected through a second pin, and the first positioning pin hole and the second positioning pin hole are arranged one-to-one corresponding to the first thread hole group and the second thread hole group.
[0020] In this way, by coaxial of the first pin hole and the first positioning pin hole, coaxial of the second pin hole and the second positioning pin hole, the position of the bottom plate and the second limiting plate can be more accurate.
[0021] Further, the first threaded hole group and the threaded hole edge on the corresponding second threaded hole group have the same color mark, and different first threaded hole groups have different color marks.
[0022] In summary, the utility model has the advantages of simple and reasonable structure, convenient operation and use, and the like. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a structure schematic view of the up-down hinge base.
[0024] Figure 2 It is a whole structure schematic view of the embodiment.
[0025] Figure 3 And Figure 4 It is a structure schematic view of the clamping state of the embodiment.
[0026] Figure 5 It is a structure schematic view of the clamping mechanism. DETAILED DESCRIPTION
[0027] The utility model will be further described in detail in combination with the embodiment.
[0028] In specific implementation: as Figures 1-5 Indicated, a kind of up-down hinge base welding fixture of civil air defence door, including rectangular base plate 1, the first limiting plate 21 with transverse arrangement and the second limiting plate 22 with longitudinal arrangement are formed on the base plate 1, the second limiting plate 22 is located in the length direction of the first limiting plate 21 one side, and positioning area 2 for placing base plate is formed between the two;The height of the first limiting plate 21 is less than the thickness of base plate, and the second limiting plate 22 can be laterally adjustable fixed on the base plate 1;The base plate 1 has two clamping mechanisms 3 that are laterally arranged side by side, the clamping mechanism 3 has the compression assembly 31 for compressing rib, and the compression assembly 31 can be telescopic towards the positioning area 2;At least one clamping mechanism 3 can be laterally adjustable fixed on the base plate 1.
[0029] The clamping mechanism 3 comprises a bottom plate 32 mounted on the base plate 1, and the bottom plate 32 has a positioning plate 33 extending longitudinally on one side facing the positioning area 2, and two positioning plates 33 are arranged side by side in the transverse direction, and the distance between the two positioning plates 33 matches the width of the rib.
[0030] In this embodiment, the bottom plate 32 has two first bolt holes arranged therethrough, and the second limiting plate 22 has two second bolt holes arranged therethrough; the base plate 1 has a first threaded hole group and a second threaded hole group arranged correspondingly to the first bolt holes and the second bolt holes, respectively, and the first threaded hole group and the second threaded hole group are arranged one-to-one and in the transverse direction.
[0031] Meanwhile, the bottom plate 32 has two first pin holes arranged therethrough, and the second limiting plate 22 has two second pin holes arranged therethrough; the base plate 1 has a first positioning pin hole and a second positioning pin hole arranged correspondingly to the first pin holes and the second pin holes, respectively; the first pin hole and the corresponding first positioning pin hole are coaxially connected by a first pin, and the second pin hole and the corresponding second positioning pin hole are coaxially connected by a second pin; the first positioning pin hole and the second positioning pin hole are arranged one-to-one correspondingly to the first threaded hole group and the second threaded hole group.
[0032] In use, according to the model of the upper and lower hinge base, the clamping mechanism is moved to the corresponding first threaded group, the first pin hole and the corresponding first positioning pin hole are coaxially connected by the first pin, and then the first bolt hole is fixedly connected to the threaded hole of the corresponding first threaded hole group by a bolt; the second limiting plate is moved to the second threaded hole, the second pin hole and the corresponding second positioning pin hole are coaxially connected by the second pin, and then the second bolt hole is fixedly connected to the threaded hole of the corresponding second threaded hole group by a bolt, so that the seat plate can be positioned.
[0033] In order to better distinguish the positions of the first threaded group and the second threaded group corresponding to different models, the threaded holes on the first threaded hole group and the corresponding second threaded hole group have the same color mark on the edge, and different first threaded hole groups have different color marks. In specific implementation, in order to avoid the color mark being worn out during frequent use, a meshed embossing can be arranged on the edge of the threaded hole, and a color mark can be arranged on the embossing, so that part of the paint of the color mark is located at the bottom of the embossing, avoiding being worn out during frequent use.
[0034] The bottom plate 32 is provided with a first hinge support 35 on one side thereof facing the positioning area 2; the pressing assembly 31 comprises a first clamping arm 311 rotatably provided on the first hinge support 35 through a transversely arranged hinge shaft, the middle part of the first clamping arm 311 is provided with a second clamping arm 312 extending towards the positioning area 2, and the end of the second clamping arm 312 away from the first clamping arm 311 is provided with a pressing head 313 downwardly arranged; a control assembly 36 for rotating and locking the first clamping arm 311 is arranged between the upper end of the first clamping arm 311 and the bottom plate 32. In the embodiment, the first hinge support 35 is the same component as the stop block 34.
[0035] The lower end of the pressing head 313 is provided with a positioning groove penetrating along the length direction of the second clamping arm 312, the width of the positioning groove matches the width of the to-be-welded rib, and the two sides of the positioning groove are provided with outwardly expanded guide surfaces. The outwardly expanded guide surfaces and the positioning groove can make the to-be-welded rib move into the positioning groove, so that the welding position of the rib can be more accurately determined, and the welding quality is ensured.
[0036] As shown in Figure 5 The control assembly 36 comprises a second hinge support 361 arranged on the bottom plate 32, the second hinge support 361 is located on the side of the bottom plate 32 away from the positioning area 2; the second hinge support 361 is rotatably provided with a telescopic cylinder 362 through a transversely arranged hinge shaft, the telescopic rod of the telescopic cylinder 362 faces the first clamping arm 311 and is hingedly connected to the upper end of the first clamping arm 311. The front end of the telescopic cylinder 362 is connected with a mounting plate through bolts, the middle part of the mounting plate is provided with a clearance hole corresponding to the telescopic rod, and the two sides of the mounting plate are provided with rotating shafts outwardly protruding along the radial direction of the clearance hole; the second hinge support 361 comprises two vertically arranged supporting ears, the supporting ears are provided with coaxially arranged shaft holes, and the two rotating shafts of the mounting plate are rotatably fitted in the shaft holes of the supporting ears. In this way, when the telescopic rod of the telescopic cylinder extends towards the first clamping arm, the first clamping arm is pushed to rotate towards the side of the positioning area, so that the first clamping arm is driven to rotate towards the positioning area, and the pressing head can be pressed downwardly on the to-be-welded rib; the telescopic rod of the telescopic cylinder remains in the extended state, and the pressing head always remains in the pressing state, so that the first clamping arm is locked.
[0037] The above only describes the preferred embodiments of the present application, and the present application is not limited thereto, any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A welding fixture for the upper and lower hinge base of a civil defense door, characterized in that, The utility model provides a kind of welding jig, including rectangular substrate (1), the substrate (1) has transversely arranged first limiting plate (21) and longitudinally arranged second limiting plate (22), the second limiting plate (22) is located in the length direction of the first limiting plate (21) one side, and positioning area (2) for placing seat plate is formed between the two;The height of the first limiting plate (21) is less than the thickness of seat plate, and the second limiting plate (22) is transversely adjustablely fixed on the substrate (1);The substrate (1) has two clamping mechanisms (3) arranged side by side in the transverse direction, the clamping mechanism (3) has a pressing assembly (31) for pressing the rib on it, and the pressing assembly (31) is telescopically directed to the positioning area (2);At least one clamping mechanism (3) is transversely adjustablely fixed on the substrate (1).
2. The welding fixture for the upper and lower hinge base of the civil defense door according to claim 1, wherein The clamping mechanism (3) includes a base plate (32) mounted on the substrate (1), and the side of the base plate (32) facing the positioning area (2) has a positioning plate (33) extending longitudinally, and the two positioning plates (33) are arranged side by side in the transverse direction, and the distance between the two positioning plates (33) matches the width of the rib.
3. The upper and lower hinge base welding fixture for a civil defense door as defined in claim 2 wherein, The side of the base plate (32) facing the positioning area (2) is provided with a stop block (34), and the stop block (34) is located at one end of the two positioning plates (33) away from the positioning area (2) and is arranged between the two positioning plates (33).
4. The upper and lower hinge base welding fixture for a civil defense door as defined in claim 3 wherein, The side of the base plate (32) facing the positioning area (2) is provided with a first hinge support (35); the pressing assembly (31) includes a first clamping arm (311) rotatably arranged on the first hinge support (35) through a transversely arranged hinge shaft, the middle part of the first clamping arm (311) has a second clamping arm (312) extending towards the positioning area (2), and the end of the second clamping arm (312) away from the first clamping arm (311) has a pressing head (313) arranged downward; a control assembly (36) for rotating and locking the first clamping arm (311) is arranged between the upper end of the first clamping arm (311) and the base plate (32).
5. The upper and lower hinge base welding fixture for a civil defense door as defined in claim 4 wherein, The lower end of the pressing head (313) has a positioning groove extending along the length direction of the second clamping arm (312), and the width of the positioning groove matches the width of the rib to be welded; the two sides of the positioning groove have outwardly expanded guide surfaces.
6. The upper and lower hinge base welding fixture for a civil defense door as defined in claim 4 wherein, The control assembly (36) includes a second hinge support (361) arranged on the base plate (32), and the second hinge support (361) is located on the side of the base plate (32) away from the positioning area (2); the second hinge support (361) is rotatably arranged with a telescopic cylinder (362) through a transversely arranged hinge shaft, and the telescopic rod of the telescopic cylinder (362) is directed to the first clamping arm (311) and is hinged to the upper end of the first clamping arm (311).
7. The upper and lower hinge base welding fixture for a civil defense door as defined in claim 6 wherein, The front end of the telescopic cylinder (362) is bolted with a mounting plate, the middle part of the mounting plate has a clearance hole corresponding to the telescopic rod, and both sides have a rotating shaft which protrudes outward along the radial direction of the clearance hole; the second hinge support (361) includes two vertically arranged supporting ears, the supporting ears have coaxially arranged shaft holes, and the two rotating shafts of the mounting plate are rotatably fitted in the shaft holes of the supporting ears.
8. The upper and lower hinge base welding fixture for a civil defense door as defined in claim 4 wherein, The bottom plate (32) has at least two first bolt holes arranged through, the second limiting plate (22) has at least two second bolt holes arranged through, the base plate (1) has a first threaded hole group and a second threaded hole group corresponding to the first bolt hole and the second bolt hole respectively, and the first threaded hole group and the second threaded hole group are arranged one by one and transversely arranged in multiple groups.
9. The upper and lower hinge base welding fixture of the civil defense door according to claim 8, wherein, The bottom plate (32) has two first pin holes arranged through, the second limiting plate (22) has two second pin holes arranged through, the base plate (1) has a first positioning pin hole and a second positioning pin hole corresponding to the first pin hole and the second pin hole respectively, the first pin hole and the corresponding first positioning pin hole are coaxially connected by a first pin, and the second pin hole and the corresponding second positioning pin hole are coaxially connected by a second pin; the first positioning pin hole and the second positioning pin hole are arranged one by one corresponding to the first threaded hole group and the second threaded hole group respectively.
10. The upper and lower hinge base welding fixture for a civil defense door as defined in claim 8 wherein, The threaded hole edges of the first threaded hole group and the corresponding second threaded hole group have the same color mark, and different first threaded hole groups have different color marks.