PFA (Polyfluoroalkoxy) bead-entering joint inserting tool
By designing a PFA bead joint insertion tooling with aluminum alloy material and buckle locking structure, the problems of complex structure and high cost of existing tools are solved, and the tool simplification, improvement of durability and improvement of use efficiency are achieved.
Patent Information
- Application Number
- CN202420367414.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-27
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-02-27
AI Technical Summary
The existing portable PFA beaded pipe fitting insertion tool set has a complex structure and high processing cost. The material of the pipe fitting clamping device is prone to yellowing and hardening, so a matching hole reamer is required.
A PFA bead joint insertion tool is designed, including a base, a clamp and a push mechanism. The clamp is locked with an upper and lower structure. The tube fitting clamp is made of aluminum alloy material, and elastic parts are attached to the surface of the clamping groove.
The tool structure is simplified, the processing cost is reduced, the tool durability and efficiency is improved, the need for supporting hole reamers is eliminated, and the beading operation can be directly placed in the beading joint.
Smart Images

Figure CN222431647U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of PFA bead insertion tooling, and in particular relates to a PFA bead insertion joint insertion tooling. Background Art
[0002] The portable PFA bead-in fitting insertion tool set is a connection and installation tool specially suitable for PFA bead-in fittings and PFA hoses. It mainly includes a main body, a pipe fitting holder and a bead-in fitting holder for installation and use. It is suitable for British 1 / 4 and 1 / 8 inch outer diameter pipes.
[0003] The existing portable PFA bead-insertion pipe fitting insertion tool set is to first put the PFA bead-insertion joint into the bead-insertion clamp, and then screw the bead-insertion clamp into the threaded hole at the top of the screw rod on the main body; then insert the PFA tube into the pipe fitting clamp, fix the locking mechanism of the pipe fitting clamp with a hook, and rotate the handle to lock the pipe fitting clamp. Use the matching reamer to expand the diameter of the PFA hose orifice, and finally rotate the nut to drive the bead-insertion joint into the PFA tube.
[0004] In the actual beading process, the locking mechanism of the pipe clamp fixed on the main body is complex and has high processing costs. The pipe clamp is made of polyurethane, which is easy to yellow and harden, and a matching reamer is required. Therefore, how to simplify the structure of the main body and the matching clamp has become one of the issues that need to be paid attention to in the design of PFA beading joint insertion tools and crimping tools. Utility Model Content
[0005] The utility model aims to provide a PFA bead-in joint insertion tool to solve the technical problem of the complex structure of the existing portable PFA bead-in pipe fitting insertion tool set.
[0006] The present application provides a PFA bead joint insertion tool. The PFA bead joint insertion tool comprises: a base, a central portion of which is provided with an operation groove; a clamp, which is provided at one end of the base and is used to fix a pipe clamp; and a pushing mechanism, which is provided at the other end of the base and is used to push the bead clamp toward the pipe clamp so as to push the bead joint on the bead clamp into the pipe on the pipe clamp.
[0007] In one embodiment of the present application, the pipe clamp comprises an upper clamping block and a lower clamping block; the opposing surfaces of the upper clamping block and the lower clamping block are both provided with clamping grooves for cooperating in clamping the pipe.
[0008] In one embodiment of the present application, an elastic member is disposed in the clamping groove.
[0009] In one embodiment of the present application, the upper clamping block and the lower clamping block are made of aluminum alloy.
[0010] In one embodiment of the present application, the clamp includes: a lower clamping seat, which is arranged at one end of the base and has a first accommodating groove on its upper surface for accommodating a lower clamping block; an upper clamping seat, one end of which is hinged to the lower clamping seat and the other end is detachably connected to the lower clamping seat via a buckle; a second accommodating groove is provided on the lower surface of the upper clamping seat for accommodating the upper clamping block.
[0011] In one embodiment of the present application, the pushing mechanism includes: a screw seat, which is arranged at the other end of the base; a screw, which is threadedly matched with the screw seat, and one end of which is facing the clamp is provided with a connecting part connected to the bead clamp, and the other end is provided with a rotating part for driving the screw to rotate.
[0012] In one embodiment of the present application, the connecting portion includes: an insertion hole, which is arranged on the end face of the screw rod and is used for inserting the insertion end of the bead clamp; and a fixing hole, which is arranged on the side of the screw rod and is connected to the insertion hole and is used for inserting a fixing member to tighten the bead clamp.
[0013] In one embodiment of the present application, one end of the bead inserting clamp is the insertion end, and the other end is the fitting end for fitting the bead inserting connector.
[0014] The beneficial effects of the utility model are:
[0015] 1. The fixture for inserting the PFA beaded joint into the tooling of the utility model adopts an upper and lower structure, which is locked with a buckle, and the structure is simpler and more practical; the hook, rotating shaft, handle, bushing and retaining spring in the prior art are eliminated, saving processing costs.
[0016] 2. The pipe clamp of the PFA beaded joint insertion tooling of the utility model is made of aluminum, and an elastic part is attached to the surface of the clamping groove; it is easy to process and durable; while the pipe clamp in the prior art is made of polyurethane material and needs mold processing, which is costly and will turn yellow and harden after later use;
[0017] 3. After the structure of the PFA bead insertion joint insertion tooling of the utility model is improved, there is no need to use a matching hole expander, and the bead insertion operation can be performed by directly inserting the bead insertion joint, thereby improving work efficiency.
[0018] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by practicing the utility model. The purpose and other advantages of the utility model are realized and obtained by the structures particularly pointed out in the description and the drawings.
[0019] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0021] Figure 1 It is a three-dimensional diagram of a PFA bead joint insertion tooling according to a preferred embodiment of the utility model;
[0022] Figure 2 It is a schematic diagram of assembling a PFA bead connector insertion tooling according to a preferred embodiment of the utility model;
[0023] Figure 3 It is a side view of a pipe clamp of a preferred embodiment of the utility model;
[0024] Figure 4 It is a schematic diagram of the bead insertion process of a preferred embodiment of the utility model.
[0025] In the figure:
[0026] Base 1, operating groove 11, clamp 2, lower clamping seat 21, first accommodating groove 211, upper clamping seat 22, second accommodating groove 221, buckle assembly 23, pipe clamp 3, upper clamping block 31, lower clamping block 32, clamping groove 33, elastic member 34, pushing mechanism 4, screw seat 41, screw 42, connecting part 43, insertion hole 431, fixing hole 432, rotating part 44, bead inserting clamp 5, insertion end 51, sleeve end 52, fixing part 6, bead inserting joint 101, pipe fitting 102. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] The present application provides a PFA bead joint insertion tool, which is described in detail below. It should be noted that the description order of the following embodiments does not limit the preferred order of the embodiments of the present application. In the following embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.
[0029] See also Figure 1 , Figure 2 and Figure 4 As shown, in one embodiment, the PFA bead joint insertion tooling includes: a base 1, a central portion of which is provided with an operating groove 11; a clamp 2, which is arranged at one end of the base 1 and is used to fix the pipe clamp 3; a pushing mechanism 4, which is arranged at the other end of the base 1 and is used to push the bead clamp 5 toward the pipe clamp 3 to push the bead joint 101 on the bead clamp 5 into the pipe 102 on the pipe clamp 3.
[0030] See also Figure 3 Specifically, the pipe clamp 3 includes an upper clamping block 31 and a lower clamping block 32; the opposite surfaces of the upper clamping block 31 and the lower clamping block 32 are both provided with clamping grooves 33 for cooperating in clamping the pipe 102.
[0031] In this embodiment, optionally, an elastic member 34 is provided in the clamping groove; the elastic member 34 may be made of, but not limited to, rubber material, and can provide uniform clamping force to the pipe and provide sufficient friction force.
[0032] In this embodiment, preferably, the upper clamping block 31 and the lower clamping block 32 are made of aluminum alloy, which is easy to process and durable.
[0033] See also Figure 2 Specifically, the clamp 2 includes: a lower clamping seat 21, which is arranged at one end of the base 1, and a first accommodating groove 211 is provided on its upper surface for accommodating the lower clamping block 32; an upper clamping seat 22, one end of which is hinged to the lower clamping seat 21, and the other end is detachably connected to the lower clamping seat 21 through a buckle assembly 23; and a second accommodating groove 221 is provided on the lower surface of the upper clamping seat 22 for accommodating the upper clamping block 31.
[0034] In this embodiment, optionally, after the upper clamping block 31 is placed in the second receiving groove 221 , it can be fixedly connected to the upper clamping seat 22 through a fixing member.
[0035] See also Figure 2 Specifically, the pushing mechanism 4 includes: a screw seat 41, which is arranged at the other end of the base 1; a screw 42, which is threadedly matched with the screw seat 41, and a connecting part 43 connected to the bead holder 5 is provided at one end thereof facing the clamp 2, and a rotating part 44 for driving the screw 42 to rotate is provided at the other end.
[0036] In this embodiment, see Figure 4 The rotating member 44 can be rotated to drive the screw rod 42 to rotate, and the screw rod 42 gradually moves forward, thereby pushing the bead inserting clamp 5 to move toward the clamp 2, so as to gradually insert the bead inserting joint 101 into the pipe fitting 102.
[0037] See also Figure 2The connecting portion 43 includes: an insertion hole 431, which is arranged on the end face of the screw rod 42 and is used for inserting the insertion end 51 of the bead clamp 5; and a fixing hole 432, which is arranged on the side of the screw rod 42 and is connected to the insertion hole 431 and is used for inserting a fixing member 6 to tighten the bead clamp 5.
[0038] Furthermore, one end of the bead inserting clamp 5 is the inserting end 51 , and the other end is the fitting end 52 for fitting the bead inserting connector 101 .
[0039] Specifically, when installing the bead holder 5, first insert the insertion end 51 of the bead holder 5 into the insertion hole 431 on the screw rod 42, and then screw the fixing piece 6 into the fixing hole 432 to tighten the insertion end 51, thereby completing the fixation of the bead holder 5.
[0040] In this embodiment, the connection between the clamp 2 and the pipe clamp 3, and between the screw rod 42 and the bead inserting clamp 5 are all detachable, so that the bead inserting joints 101 and pipes 102 of different sizes can be easily replaced.
[0041] In this embodiment, preferably, the lower clamping seat 21, the screw seat 41 and the base 1 are integrally formed to improve the structural strength.
[0042] In some application scenarios, the clamp 2 is first opened, and then the pipe clamp 3 is placed into the clamp 2, and then the pipe 102 is placed into the pipe clamp 3, and the buckle assembly 23 is closed, thereby completing the fixation of the pipe 102; the beading clamp 5 is inserted into the insertion hole 431 of the screw rod 42, and then the beading connector 101 is sleeved on the sleeve end 52 of the beading clamp 5, thereby completing the fixation of the beading connector 101; the rotating member 44 is rotated to gradually insert the beading connector 101 into the pipe 102. The efficiency and stability of PFA tube beading are improved, the structure is simpler, and the processing cost is saved.
[0043] The various devices selected in this application (components whose specific structures are not described) are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.
[0044] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection.
[0045] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0046] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without departing from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. A PFA bead joint insertion tool, characterized in that: include: A base, wherein an operating slot is provided in the middle thereof; A clamp, disposed at one end of the base, for fixing the pipe holder; A pushing mechanism is arranged at the other end of the base and is used to push the bead-entering clamp to move toward the pipe clamp so as to push the bead-entering joint on the bead-entering clamp into the pipe on the pipe clamp; The pipe clamp comprises an upper clamping block and a lower clamping block; The opposing surfaces of the upper clamping block and the lower clamping block are both provided with clamping grooves for cooperating with and clamping the pipe fittings; The fixture comprises: The lower clamping seat is arranged at one end of the base, and a first receiving groove is arranged on the upper surface thereof for receiving the lower clamping block; The upper clamping seat has one end hinged to the lower clamping seat and the other end detachably connected to the lower clamping seat through a buckle; the lower surface of the upper clamping seat is provided with a second accommodating groove for accommodating the upper clamping block.
2. The PFA bead joint insertion tool according to claim 1, characterized in that: An elastic piece is arranged in the clamping groove.
3. The PFA bead joint insertion tool according to claim 1, characterized in that: The upper clamping block and the lower clamping block are made of aluminum alloy.
4. The PFA bead joint insertion tool according to claim 1, characterized in that: The pushing mechanism comprises: A screw seat is arranged at the other end of the base; The screw rod is threadably matched with the screw rod seat, and one end of the screw rod facing the clamp is provided with a connecting portion connected to the bead inserting clamp, and the other end is provided with a rotating part for driving the screw rod to rotate.
5. The PFA bead joint insertion tool according to claim 4, characterized in that: The connecting portion comprises: an insertion hole, provided on the end surface of the screw rod, for inserting the insertion end of the bead holder; and The fixing hole is arranged on the side of the screw rod and is communicated with the insertion hole, and is used for a fixing member to be inserted to tighten the bead clamp.
6. The PFA bead joint insertion tool according to claim 5, characterized in that: One end of the bead insertion clamp is the insertion end, and the other end is the sleeve end for the bead insertion connector.