CN115716253A - Bush pressfitting frock - Google Patents
Bush pressfitting frock Download PDFInfo
- Publication number
- CN115716253A CN115716253A CN202211508252.6A CN202211508252A CN115716253A CN 115716253 A CN115716253 A CN 115716253A CN 202211508252 A CN202211508252 A CN 202211508252A CN 115716253 A CN115716253 A CN 115716253A
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- CN
- China
- Prior art keywords
- rod section
- threaded rod
- pressure head
- bushing
- ring body
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Abstract
The invention discloses a bush pressing tool which comprises a positioning rod, a first pressing head, a second pressing head, a locking structure and a nut. The two ends of the positioning rod are respectively provided with a first threaded rod section and a second threaded rod section, and a polished rod section is arranged between the first threaded rod section and the second threaded rod section. One end of the first pressure head is provided with a first ring body, the first pressure head penetrates through the first threaded rod section, and the first pressure head is abutted against a rubber pad of the bushing to be pressed through the first ring body. One end of the second pressure head is provided with a second ring body, the second pressure head is arranged on the second threaded rod section in a penetrating mode, and the second pressure head abuts against a rubber pad of the other bushing to be pressed through the second ring body. The locking structure is pressed at one end of the first pressure head, which is far away from the first ring body. The nut is located the second pressure head and keeps away from the one end of second ring body. The first pressure head and the second pressure head are abutted against the rubber pad of the bushing, so that the bushing sleeve of the bushing cannot be abraded, and the assembling quality of the bushing is improved.
Description
Technical Field
The invention relates to the field of new energy automobiles, in particular to a bushing pressing tool.
Background
With the increasingly serious energy crisis of the current society, new energy automobiles are more and more concerned by the society, especially electric automobiles. The battery box lower box body (namely the battery tray) bears the mass of the whole battery pack and the mass of the battery box lower box body, withstands external impact, protects the battery module and the battery cell, and is an important safety structural member of the electric automobile.
The bush generally includes the rubber body and skeleton, and the skeleton is the sleeve that the aluminum alloy was made generally, and the rubber body is wrapped up in the sleeve outer lane, and current pressfitting frock is generally regarded telescopic terminal surface as the stress surface when pressing two bush interference fit, because the pressfitting power is great, makes telescopic terminal surface deformation inefficacy very easily.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a bushing pressing tool which can avoid damage to the end face of a sleeve in the pressing process.
The bush pressing tool comprises a positioning rod, a first pressing head, a second pressing head, a locking structure and a nut. The two ends of the positioning rod are respectively provided with a first threaded rod section and a second threaded rod section, a polished rod section is arranged between the first threaded rod section and the second threaded rod section, and the rod diameter of the polished rod section is matched with the inner diameter of the bushing to be pressed. One end of the first pressure head is provided with a first ring body, the first pressure head penetrates through the first threaded rod section, and the first pressure head abuts against a rubber pad of the bushing to be pressed. One end of the second pressure head is provided with a second ring body, the second pressure head penetrates through the second threaded rod section, and the second pressure head abuts against a rubber pad of another bushing to be pressed through the second ring body. The locking structure is detachably arranged on the first threaded rod section and is pressed at one end, far away from the first ring body, of the first pressure head. The nut is arranged on the second threaded rod section and is located at one end, far away from the second ring body, of the second pressure head.
The bush pressing tool provided by the embodiment of the invention at least has the following beneficial effects:
when the bush pressing tool with the structure is used for carrying out interference pressing on two bushes, the first pressure head is firstly moved into the positioning rod, the two bushes are positioned on the positioning rod through the locking structure, then the two bushes are sequentially arranged on the positioning rod in a penetrating mode, the second pressure head and the nut are arranged in a reloading mode, the assembly of the bushes on the bush pressing tool is completed, and finally the nut is clamped through the wrench to apply pressure to push the second pressure head to move towards the first pressure head, so that the interference pressing of the two bushes is completed. The bushing pressing device is simple in structure and convenient to operate, and more importantly, the first pressing head and the second pressing head are abutted against the rubber pad of the bushing, so that the end face of the sleeve of the bushing is prevented from being abraded in the pressing process, and the assembling quality of the bushing can be improved.
According to some embodiments of the invention, the positioning rod is provided with a shoulder corresponding to the mounting position of the first pressure head.
According to some embodiments of the invention, the positioning rod comprises a first screw and a second screw, which can be spliced into a whole.
According to some embodiments of the invention, the first threaded rod section and the polished rod section are both located on the first screw, and the second threaded rod section is located on the second screw.
According to some embodiments of the present invention, the first screw rod is provided with a mounting screw hole at a shaft end of the polished rod section, the shaft end of the second screw rod is provided with an external thread adapted to the mounting screw hole, and the first screw rod and the second screw rod are integrally assembled with the mounting screw hole through the matching of the external thread.
According to some embodiments of the invention, the first screw and the second screw are both made of DC 53.
According to some embodiments of the invention, the first ram and the second ram are both made of DC 53.
According to some embodiments of the invention, the locking structure comprises a locknut.
According to some embodiments of the invention, the locking structure is a double nut structure.
According to some embodiments of the invention, the locking structure comprises a flat washer, a resilient washer and a self-locking nut.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described with reference to the following figures and examples, in which:
FIG. 1 is a schematic view of a bushing bonding tool according to an embodiment of the present invention before bonding;
FIG. 2 is a cross-sectional view of a liner bonding tool according to an embodiment of the present invention prior to bonding;
FIG. 3 is a schematic view of a tool for pressing a bushing after pressing the bushing according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a bushing pressing tool according to an embodiment of the present invention after pressing;
FIG. 5 is an exploded view of a liner bonding tool according to an embodiment of the present invention;
reference numerals:
101. a first screw; 102. a second screw; 103. a first ram; 104. a second ram; 105. a first ring body; 106. a second ring body; 107. a bushing; 108. a rubber pad; 109. a locking structure; 110. a nut; 111. a shaft shoulder; 112. mounting a screw hole; 113. a polished rod section.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to, for example, the upper, lower, etc., is indicated based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, a plurality means two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 5, a bushing pressing tool according to an embodiment of the present invention includes a positioning rod, a first pressing head 103, a second pressing head 104, a locking structure 109, and a nut 110. The two ends of the positioning rod are respectively provided with a first threaded rod section and a second threaded rod section, a polished rod section 113 is arranged between the first threaded rod section and the second threaded rod section, and the rod diameter of the polished rod section 113 is matched with the inner diameter of the bushing 107 to be pressed. One end of the first pressing head 103 is provided with a first ring body 105, the first pressing head 103 is arranged on the first threaded rod section in a penetrating mode, and the first pressing head 103 abuts against a rubber pad 108 of a bushing 107 to be pressed through the first ring body 105. One end of the second pressing head 104 is provided with a second ring body 106, the second pressing head 104 is arranged on the second threaded rod section in a penetrating mode, and the second pressing head 104 abuts against a rubber pad 108 of another bushing 107 to be pressed through the second ring body 106. A locking formation 109 is removably provided on the first threaded rod section, the locking formation 109 being compressed against an end of the first ram 103 remote from the first ring 105. A nut 110 is provided on the second threaded shank segment, the nut 110 being located at an end of the second ram 104 remote from the second ring 106.
When the bushing pressing tool with the structure is used for performing interference pressing on two bushings 107, the first pressing head 103 is moved into the positioning rod, the two bushings 107 are positioned on the positioning rod through the locking structure 109, the two bushings 107 are sequentially arranged on the positioning rod in a penetrating mode, the second pressing head 104 and the nut 110 are arranged, assembly of the bushings 107 on the bushing pressing tool is completed, the nut 110 is clamped through the wrench, the second pressing head 104 is pressed to push the first pressing head 103 to move, and interference pressing of the two bushings 107 is completed. The invention has simple structure and convenient operation, and more importantly, the first pressure head 103 and the second pressure head 104 of the invention are abutted against the rubber pad 108 of the bush 107, so that the sleeve end surface of the bush 107 is not abraded, and the assembly quality of the bush 107 can be improved.
Referring to fig. 2 and 4, it can be understood that the positioning rod is provided with a shoulder 111 corresponding to the mounting position of the first ram 103. The setting of shaft shoulder 111 can be more convenient for quick location of first pressure head 103, and first pressure head 103 butt is in shaft shoulder 111 department, and locking structure 109 locks first pressure head 103 on the locating lever.
Because the bush 107 of lower box is various, and the lower box of different models will correspond and have the bush 107 of different sizes, to the interference fit of two bushes 107 of different models, the pressfitting distance all can be adjusted with the distance of the polished rod section 113 of assembly bush 107. In order to widen the application range of the present invention, the positioning rod of the present embodiment includes a first screw 101 and a second screw 102, and the first screw 101 and the second screw 102 can be spliced into a whole. Different first screw rods 101 or second screw rods 102 can be replaced, so that the pressing distance is adjusted, and the adaptability of the invention is higher.
It will be appreciated that the first threaded rod segment and the polished rod segment 113 are both located on the first screw 101 and the second threaded rod segment is located on the second screw 102.
Referring to fig. 2 and 4, it can be understood that the first screw 101 is provided with a mounting screw hole 112 at the shaft end of the polished rod section 113, the shaft end of the second screw 102 is provided with an external thread adapted to the mounting screw hole 112, and the first screw 101 and the second screw 102 are integrally assembled with the mounting screw hole 112 through the matching of the external thread.
It is understood that the first screw 101 and the second screw 102 are both made of DC 53.
It will be appreciated that the first ram 103 and the second ram 104 are both made of DC 53.
It will be appreciated that the locking structure 109 comprises a locknut.
It will be appreciated that the locking structure 109 is a double nut structure.
It will be appreciated that the locking structure 109 includes a flat washer, a spring washer, and a self-locking nut.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. The utility model provides a bush pressfitting frock which characterized in that includes:
a first threaded rod section and a second threaded rod section are respectively arranged at two ends of the positioning rod, a polished rod section is arranged between the first threaded rod section and the second threaded rod section, and the rod diameter of the polished rod section is matched with the inner diameter of the bushing to be pressed;
a first pressing head, wherein one end of the first pressing head is provided with a first ring body, the first pressing head is arranged on the first threaded rod section in a penetrating manner, and the first pressing head abuts against a rubber pad of the bushing to be pressed through the first ring body;
one end of the second pressure head is provided with a second ring body, the second pressure head penetrates through the second threaded rod section, and the second pressure head abuts against a rubber pad of the other bushing to be pressed through the second ring body;
the locking structure is detachably arranged on the first threaded rod section and is tightly pressed at one end, far away from the first ring body, of the first pressure head;
the nut is arranged on the second threaded rod section and is located at one end, far away from the second ring body, of the second pressure head.
2. The bushing press fitting tool according to claim 1, characterized in that: and a shaft shoulder is arranged at the mounting position of the positioning rod corresponding to the first pressure head.
3. The bushing press fitting tool according to claim 2, wherein: the positioning rod comprises a first screw rod and a second screw rod, and the first screw rod and the second screw rod can be spliced into a whole.
4. The bushing press fitting tool according to claim 3, wherein: the first threaded rod section and the polished rod section are both located on the first screw rod, and the second threaded rod section is located on the second screw rod.
5. The bushing press fitting tool according to claim 4, wherein: the first screw rod is provided with an installation screw hole at the shaft end of the polished rod section, the shaft end of the second screw rod is provided with an external thread matched with the installation screw hole, and the first screw rod and the second screw rod are assembled into a whole through the matching of the external thread and the installation screw hole.
6. The bushing press fitting tool according to claim 4, wherein: the first screw and the second screw are both made of DC 53.
7. The bushing press fitting tool according to claim 1, characterized in that: the first ram and the second ram are both made of DC 53.
8. The bushing press fitting tool according to claim 1, characterized in that: the locking structure comprises a locknut.
9. The bushing press fitting tool according to claim 1, characterized in that: the locking structure is a double-nut structure.
10. The bushing press fitting tool according to claim 1, characterized in that: the locking structure comprises a flat washer, an elastic washer and a self-locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211508252.6A CN115716253A (en) | 2022-11-28 | 2022-11-28 | Bush pressfitting frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211508252.6A CN115716253A (en) | 2022-11-28 | 2022-11-28 | Bush pressfitting frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115716253A true CN115716253A (en) | 2023-02-28 |
Family
ID=85256829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211508252.6A Pending CN115716253A (en) | 2022-11-28 | 2022-11-28 | Bush pressfitting frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115716253A (en) |
-
2022
- 2022-11-28 CN CN202211508252.6A patent/CN115716253A/en active Pending
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