Improved polytetrafluoroethylene rod

Abstract

The utility model belongs to the technical field of polytetrafluoroethylene, and particularly relates to an improved polytetrafluoroethylene rod which comprises a rod body formed by combining a plurality of connecting units connected end to end, each connecting unit comprises a connecting pipe of a cylindrical structure, one end of each connecting pipe is provided with a threaded connecting rod, and the other end of each connecting pipe is provided with a threaded connecting rod. A sealing groove is coaxially formed in the portion, on the outer side of the threaded connecting rod, of the connecting pipe, a limiting plate is arranged at the end, away from the connecting pipe, of the threaded connecting rod, a sealing ring matched with the sealing groove is arranged at the other end of the connecting pipe, and a threaded connecting hole matched with the threaded connecting rod is coaxially formed in the portion, in the sealing ring, of the connecting pipe. According to the utility model, the rod body is formed by combining a plurality of connecting units which are connected end to end, so that a worker can conveniently adjust the length of the rod body according to the use requirements in time, and the applicability is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of polytetrafluoroethylene, and particularly relates to an improved polytetrafluoroethylene rod. Background Art

[0002] Polytetrafluoroethylene, commonly known as "the king of plastics", has been widely used in various industries due to its excellent chemical corrosion resistance, high temperature resistance, low temperature resistance and dielectric properties. A stirring rod is a commonly used stirring tool in a laboratory. The most common one is a stirring rod made of glass. When the glass stirring rod is placed on a slightly inclined tabletop, it will roll, resulting in falling to the ground and being damaged, which increases the use cost. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the defects of the prior art and provide an improved polytetrafluoroethylene rod to solve the problem that the glass stirring rod will roll when placed on a slightly inclined tabletop, resulting in falling to the ground and being damaged, which increases the use cost.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] An improved polytetrafluoroethylene rod includes a rod body composed of a plurality of connecting units connected end to end. Each connecting unit includes a connecting pipe in a cylindrical structure. One end of the connecting pipe is provided with a threaded connecting rod. A sealing groove is coaxially opened on the connecting pipe outside the threaded connecting rod. A limiting plate is arranged at the end of the threaded connecting rod far away from the connecting pipe. A sealing ring adapted to the sealing groove is opened at the other end of the connecting pipe. A threaded connecting hole adapted to the threaded connecting rod is coaxially opened on the connecting pipe inside the sealing ring. A limiting groove communicating with the threaded connecting hole and for the displacement of the limiting plate is opened inside the connecting pipe.

[0006] As a preferred technical solution of the utility model, a stirring head is arranged on the connecting unit at the front end of the rod body, and a hand-held handle is arranged on the connecting unit at the tail end of the rod body.

[0007] In order to prevent the rod body from floating under the influence of the buoyancy of the solution during stirring, thereby affecting the stirring operation, a weight block made of a metal material is arranged inside the stirring head.

[0008] In order to prevent the rod body from reacting with the solution during stirring and at the same time improve the service life of the rod body, the connecting unit, the stirring head and the hand-held handle are all made of polytetrafluoroethylene material.

[0009] In order to improve the connection strength between two adjacent connecting units and at the same time improve the overall strength of the rod body after adjusting its length, a clamping ring is coaxially provided on one side end face of the limiting plate close to the threaded connecting rod, and a clamping groove adapted to the clamping ring is opened on the inner side wall of the limiting groove.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] In the present utility model, the rod body is composed of a number of connecting units connected end to end, which facilitates the staff to adjust the length of the rod body according to the usage requirements, greatly improving the applicability. Through the setting of the configuration block in the stirring head, the weight of the rod body is increased, thus avoiding the influence of the buoyancy of the solution on the rod body during stirring, which may cause the rod body to float and affect the stirring operation of the staff. Through the setting that the connecting unit, the stirring head and the hand-held handle are all made of polytetrafluoroethylene material, the rod body is prevented from reacting with the solution during stirring, and at the same time, the service life of the rod body is extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural view of the present utility model;

[0013] Figure 2 is a schematic structural view of the rod body of the present utility model after adjusting its length;

[0014] Figure 3 is a cross-sectional view of the present utility model;

[0015] Figure 4 is a schematic structural view of the connecting unit of the present utility model;

[0016] Figure 5 is a schematic structural view of the connecting unit of the present utility model from another perspective;

[0017] Figure 6 is a connection relationship diagram of the connecting unit and the stirring head of the present utility model;

[0018] In the figure: 1, connecting unit; 101, connecting pipe; 102, threaded connecting rod; 103, limiting plate; 104, clamping ring; 105, threaded connection hole; 106, limiting groove; 107, clamping groove; 108, sealing ring; 109, sealing groove; 2, stirring head; 3, hand-held handle; 4, counterweight. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following describes in detail the preferred embodiments of the present utility model with reference to the accompanying drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a more clear and definite definition of the protection scope of the present utility model.

[0020] In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more; the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model 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 should not be construed as a limitation on the present utility model. In addition, terms such as "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0021] Embodiment

[0022] The present utility model provides an improved polytetrafluoroethylene rod. Referring to Figure 1-6 as shown, it includes a rod body composed of a number of connecting units 1 connected end to end. The connecting unit 1 includes a connecting pipe 101 with a cylindrical structure. One end of the connecting pipe 101 is provided with a threaded connecting rod 102 integrally formed therewith. A sealing groove 109 is coaxially provided on the connecting pipe 101 outside the threaded connecting rod 102. The end of the threaded connecting rod 102 away from the connecting pipe 101 is provided with a limiting plate 103. Through the setting of the limiting plate 103, the length adjustment between two adjacent connecting units 1 can be limited. The other end of the connecting pipe 101 is provided with a sealing ring 108 that fits with the sealing groove 109. Through the setting of the sealing ring 108 and the sealing groove 109, the sealing performance of the connection between two adjacent connecting units 1 is improved. A threaded connection hole 105 adapted to the threaded connecting rod 102 is coaxially provided on the connecting pipe 101 inside the sealing ring 108. Through the setting of the threaded connection hole 105 and the threaded connecting rod 102, it is convenient for the staff to adjust the length of the rod body. A limiting groove 106 communicating with the threaded connection hole 105 and for the displacement of the limiting plate 103 is provided inside the connecting pipe 101.

[0023] Among them, a stirring head 2 is provided on the connecting unit 1 at the front end of the rod body. A counterweight 4 made of a metal material is provided inside the stirring head 2. Through the setting of the counterweight 4, the rod body is prevented from floating under the buoyancy of the solution during stirring, thus affecting the stirring operation. A handle 3 is provided on the connecting unit 1 at the tail end of the rod body. Through the setting of the handle 3, it is convenient for the staff to hold the rod body for stirring operation.

[0024] Among them, the connecting unit 1, the stirring head 2 and the handle 3 are all made of polytetrafluoroethylene material, so as to avoid the reaction between the rod body and the solution during stirring, and at the same time improve the service life of the rod body.

[0025] Wherein, a clamping ring 104 is coaxially provided on one side end face of the limiting plate 103 close to the threaded connecting rod 102, and a clamping groove 107 adapted to the clamping ring 104 is formed on the inner side wall of the limiting groove 106. Through the arrangement of the clamping groove 107 and the clamping ring 104, the connection strength between two adjacent connecting units 1 is improved, and at the same time, the overall strength of the rod body after adjusting the length is improved.

[0026] The working principle of the present utility model is as follows:

[0027] Due to the rod body being composed of a plurality of connecting units 1 connected end to end, it is convenient for the staff to adjust the length of the rod body according to the usage requirements, greatly improving the applicability. Due to the arrangement of the configuration block 4 in the stirring head 2, the weight of the rod body is increased, thereby avoiding the rod body floating due to the buoyancy of the solution during the stirring process and affecting the stirring operation of the staff. Due to the connecting unit 1, the stirring head 2 and the hand-held handle 3 all being made of polytetrafluoroethylene material, the rod body is prevented from reacting with the solution during stirring, and at the same time, the service life of the rod body is improved.

[0028] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0029] The above embodiments only represent several implementation manners of the present utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the utility model patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model.

Claims

1. An improved polytetrafluoroethylene rod, characterized in that: It includes a rod body composed of a number of connected connection units (1) connected end to end. The connection unit (1) includes a connecting pipe (101) with a cylindrical structure. One end of the connecting pipe (101) is provided with a threaded connecting rod (102). A sealing groove (109) is coaxially opened on the connecting pipe (101) outside the threaded connecting rod (102). A limiting plate (103) is provided at one end of the threaded connecting rod (102) away from the connecting pipe (101). A sealing ring (108) that fits with the sealing groove (109) is opened at the other end of the connecting pipe (101). A threaded connection hole (105) adapted to the threaded connecting rod (102) is coaxially opened on the connecting pipe (101) inside the sealing ring (108). A limiting groove (106) that is communicated with the threaded connection hole (105) and allows the displacement of the limiting plate (103) is opened inside the connecting pipe (101).

2. An improved polytetrafluoroethylene rod according to claim 1, characterized in that: A stirring head (2) is provided on the connection unit (1) at the front end of the rod body, and a hand-held handle (3) is provided on the connection unit (1) at the tail end of the rod body.

3. An improved polytetrafluoroethylene rod according to claim 2, characterized in that: A weight block (4) made of a metal material is provided inside the stirring head (2).

4. An improved polytetrafluoroethylene rod according to claim 2, characterized in that: The connection unit (1), the stirring head (2) and the hand-held handle (3) are all made of polytetrafluoroethylene material.

5. An improved polytetrafluoroethylene rod according to claim 1, characterized in that: A clamping ring (104) is coaxially provided on the end face of the limiting plate (103) close to the threaded connecting rod (102), and a clamping groove (107) adapted to the clamping ring (104) is opened on the inner side wall of the limiting groove (106).

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