CN113524108A - Sign board rod type telescopic mounting tool - Google Patents

Sign board rod type telescopic mounting tool Download PDF

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Publication number
CN113524108A
CN113524108A CN202110796638.0A CN202110796638A CN113524108A CN 113524108 A CN113524108 A CN 113524108A CN 202110796638 A CN202110796638 A CN 202110796638A CN 113524108 A CN113524108 A CN 113524108A
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CN
China
Prior art keywords
inner cylinder
mounting tool
chamber
telescopic
type telescopic
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Granted
Application number
CN202110796638.0A
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Chinese (zh)
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CN113524108B (en
Inventor
肖飞
向旋
肖雄
蒋德刚
娄坤
施贵荣
汤龙
朱涛
谢丽
代贤松
罗凯
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Guizhou Power Grid Co Ltd
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Guizhou Power Grid Co Ltd
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Priority to CN202110796638.0A priority Critical patent/CN113524108B/en
Publication of CN113524108A publication Critical patent/CN113524108A/en
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Publication of CN113524108B publication Critical patent/CN113524108B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The invention discloses a signboard rod type telescopic mounting tool which comprises a telescopic unit, wherein the telescopic unit comprises a telescopic component and a control component, the telescopic component comprises an outer cylinder, a first cavity of the outer cylinder is sleeved with an inner cylinder, a second cavity of the inner cylinder is sleeved with the control component, the inner cylinder slides relative to the outer cylinder through the first cavity and is fixed in a sliding manner according to a fixing piece arranged in the second cavity, and the control component slides relative to the inner cylinder through the second cavity to generate gas and transmits the gas to the mounting unit; the installation unit is connected with the one end of urceolus, and the gaseous adsorption affinity that produces that slides is received control assembly through first cavity, and the installation of tablet is marked through the adsorption affinity to the installation unit. The invention can carry out the operation of installing and replacing the nameplate under the condition that the equipment is not powered off, ensures the correctness and the normative of the nameplate and reduces the personal safety risk of operation and maintenance personnel when installing and replacing the equipment nameplate.

Description

Sign board rod type telescopic mounting tool
Technical Field
The invention relates to the technical field of signboard installation optimization, in particular to a signboard rod type telescopic installation tool.
Background
The tablet that marks of a lot of equipment in the transformer substation has ageing to when having the circuit to rename, need install again, change and mark the tablet, but most mark the tablet and leave electrified equipment nearer, need to have a power failure and just can install, change, for guaranteeing the power supply reliability, mark the tablet for the installation and apply for the possibility that has a power failure and be nearly zero, can only go on in step such as overhaul of the equipments, thereby cause the equipment to mark the tablet name incorrect, phenomenons such as canyong appear.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.
Therefore, the technical problems to be solved by the invention are as follows: how to install the nameplate on the electrified equipment under the condition of different distances.
In order to solve the technical problems, the invention provides the following technical scheme: the gas-liquid separation device comprises a telescopic unit and a control assembly, wherein the telescopic unit comprises a telescopic assembly and the control assembly, the telescopic assembly comprises an outer barrel, a first cavity of the outer barrel is sleeved with an inner barrel, a second cavity of the inner barrel is sleeved with the control assembly, the inner barrel slides relative to the outer barrel through the first cavity and is fixed in a sliding mode according to a fixing piece arranged in the second cavity, and the control assembly slides relative to the inner barrel through the second cavity to generate gas and transmits the gas to an installation unit; the installation unit with the one end of urceolus is connected, through first cavity is received the gaseous adsorption affinity that produces that the control assembly slides, the installation unit passes through the installation that the tablet was marked to the adsorption affinity.
As a preferable aspect of the signboard rod type telescopic mounting tool of the present invention, wherein: a plurality of clamping grooves are formed in the inner wall of the outer barrel in the axial direction.
As a preferable aspect of the signboard rod type telescopic mounting tool of the present invention, wherein: still be provided with the elastic component in the second cavity, the elastic component includes spring and flat board, the flat board is followed inner tube axle center direction sets up, the spring corresponds the setting respectively and is in dull and stereotyped both sides.
As a preferable aspect of the signboard rod type telescopic mounting tool of the present invention, wherein: the mounting includes fixed block and recess, and is relative the dull and stereotyped both sides set up the one end of fixed block with spring coupling, the other end embedding of fixed block in the recess.
As a preferable aspect of the signboard rod type telescopic mounting tool of the present invention, wherein: the recess does square hole on the inner tube lateral wall, the recess is relative both sides respectively fixed block position sets up, the fixed block is through the embedding the recess is worn out the inner tube lateral wall.
As a preferable aspect of the signboard rod type telescopic mounting tool of the present invention, wherein: the clamping groove is the same as the groove in size, the fixing block penetrates out of the side wall of the inner cylinder and enters the first cavity of the outer cylinder, and the fixing block is embedded into the clamping groove in the inner wall of the outer cylinder.
As a preferable aspect of the signboard rod type telescopic mounting tool of the present invention, wherein: the control assembly comprises a push rod and a handheld end, the push rod comprises a cross groove, the cross groove is formed in one end of the push rod, the handheld end is arranged at the other end of the push rod, and one end provided with the cross groove is sleeved into the second chamber and the inner barrel to be in control fit.
As a preferable aspect of the signboard rod type telescopic mounting tool of the present invention, wherein: the handheld end is sleeved on the push rod in a clamping way; the outer port of the cross groove is an inclined plane, the notch of the cross groove can penetrate through the spring and the flat plate, the cross groove extrudes the lower part of the fixed block through the inclined plane, and the fixed block is embedded into the groove corresponding to the upper part under the action of jacking force.
As a preferable aspect of the signboard rod type telescopic mounting tool of the present invention, wherein: the installation unit comprises an installation part and a connecting port, wherein threads are arranged on the inner wall of the connecting port, one end of the installation part is connected with the connecting port, and the installation unit is connected with the telescopic assembly by twisting the threads on the inner wall of the connecting port.
As a preferable aspect of the signboard rod type telescopic mounting tool of the present invention, wherein: the other end of installed part is the loudspeaker form, control assembly produces gas through controlling the second cavity, and will produce gas transmission extremely produce the adsorption affinity in the installed part, through the tablet is markd to the adsorption affinity is laid.
The invention has the beneficial effects that: the invention can carry out the operation of installing and replacing the nameplate under the condition that the equipment is not powered off, ensures the correctness and the normalization of the nameplate, can automatically adjust the length of the installation tool according to different distances of the electrified equipment, avoids the condition that operation and maintenance personnel are in close contact with the electrified equipment, and reduces the personal safety risk when the operation and maintenance personnel install and replace the equipment nameplate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a cross-sectional view of an overall structure of a signboard rod type telescopic mounting tool according to an embodiment of the present invention;
fig. 2 is a structural view of a control assembly of the telescopic installation tool for a signboard bar type according to an embodiment of the present invention;
fig. 3 is a structural view of an installation unit of the telescopic installation tool for a signboard rod type according to an embodiment of the invention;
fig. 4 is a structure diagram of pushing and fixing the telescopic assembly and the control assembly of the signboard rod type telescopic mounting tool according to the embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration when describing the embodiments of the present invention, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 4, a first embodiment of the present invention provides a pole type telescopic installation tool for a signboard, which specifically includes:
the telescopic unit 100, the telescopic unit 100 includes a telescopic assembly 101 and a control assembly 102, the telescopic assembly 101 includes an outer cylinder 101a, a first chamber 101a-1 of the outer cylinder 101a is sleeved with an inner cylinder 101b, and a second chamber 101b-1 of the inner cylinder 101b is sleeved with the control assembly 102.
Specifically, the inner cylinder 101b slides relative to the outer cylinder 101a through the first chamber 101a-1 and is slidably fixed according to the fixing member 101b-2 disposed in the second chamber 101b-1, and the control unit 102 generates gas by sliding the second chamber 101b-1 relative to the inner cylinder 101b and transmits the gas into the installation unit 200.
The mounting unit 200 is connected to one end of the outer cylinder 101a, and receives gas generated by sliding of the control unit 102 through the first chamber 101a-1 to generate an adsorption force, and the mounting unit 200 mounts the sign through the adsorption force.
Preferably, the inner wall of the outer cylinder 101a is provided with a plurality of slots 101a-2 along the axial direction, and the inner cylinder 101b can slide relative to the outer cylinder 101a through the first chamber 101a-1, i.e. the inner cylinder 101b controls the telescopic length through sliding in the first chamber 101a-1, and when sliding to the required length, the telescopic length can be fixed by the fixing member 101b-2 arranged in the inner cylinder 101b being inserted into the slot 101 a-2.
Furthermore, an elastic element 101b-3 is arranged in the second chamber 101b-1, the elastic element 101b-3 comprises a spring 101b-31 and a flat plate 101b-32, the flat plate 101b-32 is arranged along the axial direction of the inner cylinder 101b, and the spring 101b-31 is respectively and correspondingly arranged at two sides of the flat plate 101 b-32.
The fixing member 101b-2 includes a fixing block 101b-21 and a groove 101b-22, one end of the fixing block 101b-21 disposed opposite to both sides of the flat plate 101b-32 is connected to the spring 101b-31, and the other end of the fixing block 101b-21 is embedded in the groove 101 b-22.
The grooves 101b-22 are square holes in the side wall of the inner cylinder 101b, the grooves 101b-22 are respectively arranged at the positions corresponding to the fixed blocks 101b-21 on the two sides, and the fixed blocks 101b-21 penetrate out of the side wall of the inner cylinder 101b through being embedded into the grooves 101 b-22.
The clamping groove 101a-2 and the groove 101b-22 are the same in size, and the fixing block 101b-21 penetrates through the side wall of the inner cylinder 101b to enter the first chamber 101a-1 of the outer cylinder 101a and is embedded into the clamping groove 101a-2 on the inner wall of the outer cylinder 101a to fix the telescopic length of the inner cylinder 101b and the outer cylinder 101 a.
Preferably, the control assembly 102 comprises a push rod 102a and a handheld end 102b, wherein the push rod 102a comprises a cross-shaped slot 102a-1, the cross-shaped slot 102a-1 is arranged at one end of the push rod 102a, the handheld end 102b is arranged at the other end of the push rod 102a, and the end provided with the cross-shaped slot 102a-1 is sleeved into the second chamber 101b-1 to be in control fit with the inner cylinder 101 b.
The hand-held end 102b is sleeved on the push rod 102 a.
The outer port of the cross groove 102a-1 is set to be an inclined surface, the port of the cross groove 102a-1 can penetrate through the spring 101b-31 and the flat plate 101b-32, the cross groove 102a-1 presses the lower part of the fixed block 101b-21 through the inclined surface, and the fixed block 101b-21 is embedded into the corresponding groove 101b-22 at the upper position under the action of jacking force to fix the telescopic length of the outer cylinder 101a and the inner cylinder 101 b.
When the telescopic length of the outer cylinder 101a and the inner cylinder 101b needs to be changed, the push rod 102a is pulled through the handheld end 102b, so that the inclined surface of the cross groove 102a-1 is driven to completely leave from the lower part of the fixed block 101b-21, namely, the notch of the cross groove 102a-1 completely leaves from the spring 101b-31 and the flat plate 101b-32, the fixed block 101b-21 leaves from the clamping groove 101a-2 through the pulling force of the spring 101b-31 and returns to the second chamber 101b-1, and the outer cylinder 101a and the inner cylinder 101b can slide, stretch and retract again to change the length.
Example 2
Referring to fig. 1 to 4, there is provided a signboard bar type telescopic mounting tool according to a second embodiment of the present invention, further comprising:
the telescopic unit 100, the telescopic unit 100 includes a telescopic assembly 101 and a control assembly 102, the telescopic assembly 101 includes an outer cylinder 101a, a first chamber 101a-1 of the outer cylinder 101a is sleeved with an inner cylinder 101b, and a second chamber 101b-1 of the inner cylinder 101b is sleeved with the control assembly 102.
Specifically, the inner cylinder 101b slides relative to the outer cylinder 101a through the first chamber 101a-1 and is slidably fixed according to the fixing member 101b-2 disposed in the second chamber 101b-1, and the control unit 102 generates gas by sliding the second chamber 101b-1 relative to the inner cylinder 101b and transmits the gas into the installation unit 200.
The mounting unit 200 is connected to one end of the outer cylinder 101a, and receives gas generated by sliding of the control unit 102 through the first chamber 101a-1 to generate an adsorption force, and the mounting unit 200 mounts the sign through the adsorption force.
Preferably, the control assembly 102 comprises a push rod 102a and a handheld end 102b, wherein the push rod 102a comprises a cross-shaped slot 102a-1, the cross-shaped slot 102a-1 is disposed at one end of the push rod 102a, the handheld end 102b is disposed at the other end of the push rod 102a, and the end provided with the cross-shaped slot 102a-1 is sleeved into the second chamber 101b-1 to be in control fit with the inner cylinder 101 b.
The hand-held end 102b is sleeved on the push rod 102 a.
The outer port of the cross groove 102a-1 is set to be an inclined surface, the port of the cross groove 102a-1 can penetrate through the spring 101b-31 and the flat plate 101b-32, the cross groove 102a-1 presses the lower part of the fixed block 101b-21 through the inclined surface, and the fixed block 101b-21 is embedded into the corresponding groove 101b-22 at the upper position under the action of jacking force to fix the telescopic length of the outer cylinder 101a and the inner cylinder 101 b.
The mounting unit 200 includes a mounting member 201 and a connection port 202, wherein a screw thread is provided on an inner wall of the connection port 202, and one end of the mounting member 201 is connected to the connection port 202 and connected to the telescopic assembly 101 by twisting the screw thread on the inner wall of the connection port 202.
If the installation unit 200 is damaged, the installation unit 200 can be unscrewed from the telescopic assembly 101 through threads, so that the installation unit 200 can be replaced in time conveniently, the telescopic assembly 101 can be reused, the waste of resources is avoided, and the economic cost is reduced.
The other end of the mounting part 201 is horn-shaped, the control component 102 generates gas by controlling the second chamber 101b-1, the generated gas is transmitted into the mounting part 201 to generate adsorption force, and the nameplate is placed through the adsorption force.
Preferably, the connection port 202 is communicated with the second chamber 101b-1 in the telescopic assembly 101, and the handheld end 102b is controlled to drive the push rod 102a to slide in the second chamber 101b-1 to generate gas, that is, when the push rod 102a is pulled in the second chamber 101b-1, an adsorption force is generated in the second chamber 101b-1 and transmitted to the mounting member 201 through the connection port 202 to adsorb the nameplate, and when the push rod 102a is pushed in the second chamber 101b-1, a tension force is generated in the second chamber 101b-1 and transmitted to the mounting member 201 through the connection port 202 to place the nameplate.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (10)

1. The utility model provides a sign pole-type mounting tool that stretches out and draws back which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the telescopic unit (100) comprises a telescopic component (101) and a control component (102), the telescopic component (101) comprises an outer cylinder (101a), an inner cylinder (101b) is sleeved on a first chamber (101a-1) of the outer cylinder (101a), the control component (102) is sleeved on a second chamber (101b-1) of the inner cylinder (101b), the inner cylinder (101b) slides relative to the outer cylinder (101a) through the first chamber (101a-1) and is fixed in a sliding mode according to a fixing piece (101b-2) arranged in the second chamber (101b-1), and the control component (102) generates gas through the sliding of the second chamber (101b-1) relative to the inner cylinder (101b) and transmits the gas into the installation unit (200);
installation unit (200) with the one end of urceolus (101a) is connected, through first cavity (101a-1) is received the gliding gaseous adsorption affinity that produces of control assembly (102), installation unit (200) pass through the adsorption affinity is installed of sign.
2. The sign pole type telescopic mounting tool of claim 1, wherein: the inner wall of the outer cylinder (101a) is provided with a plurality of clamping grooves (101a-2) along the axial direction.
3. The signboard rod type telescopic mounting tool according to claim 1 or 2, wherein: an elastic part (101b-3) is further arranged in the second chamber (101b-1), the elastic part (101b-3) comprises a spring (101b-31) and a flat plate (101b-32), the flat plate (101b-32) is arranged along the axis direction of the inner cylinder (101b), and the spring (101b-31) is correspondingly arranged on two sides of the flat plate (101b-32) respectively.
4. The sign pole type telescopic mounting tool of claim 3, wherein: the fixing piece (101b-2) comprises a fixing block (101b-21) and a groove (101b-22), one end of the fixing block (101b-21) arranged on two sides of the flat plate (101b-32) is connected with the spring (101b-31), and the other end of the fixing block (101b-21) is embedded into the groove (101 b-22).
5. The sign pole type telescopic mounting tool of claim 4, wherein: the grooves (101b-22) are square holes in the side wall of the inner cylinder (101b), the grooves (101b-22) are respectively arranged at positions corresponding to the fixing blocks (101b-21) on the two sides, and the fixing blocks (101b-21) penetrate out of the side wall of the inner cylinder (101b) by being embedded into the grooves (101 b-22).
6. The sign pole type telescopic mounting tool of claim 5, wherein: the clamping groove (101a-2) and the groove (101b-22) are the same in size, and the fixing block (101b-21) penetrates through the side wall of the inner cylinder (101b) to enter the first cavity (101a-1) of the outer cylinder (101a) and is embedded into the clamping groove (101a-2) on the inner wall of the outer cylinder (101 a).
7. The signboard rod type telescopic mounting tool according to any one of claims 1 and 4 to 6, wherein: the control assembly (102) comprises a push rod (102a) and a handheld end (102b), the push rod (102a) comprises a cross groove (102a-1), the cross groove (102a-1) is arranged at one end of the push rod (102a), the handheld end (102b) is arranged at the other end of the push rod (102a), and one end provided with the cross groove (102a-1) is sleeved in the second chamber (101b-1) to be in control fit with the inner cylinder (101 b).
8. The sign pole type telescopic mounting tool of claim 7, wherein: the handheld end (102b) is sleeved on the push rod (102 a);
the outer port of the cross groove (102a-1) is set to be an inclined surface, the port of the cross groove (102a-1) can penetrate through the spring (101b-31) and the flat plate (101b-32), the cross groove (102a-1) presses the lower part of the fixed block (101b-21) through the inclined surface, and the fixed block (101b-21) is embedded into the corresponding groove (101b-22) at the upper position under the action of jacking force.
9. The sign pole type telescopic mounting tool of claim 8, wherein: the mounting unit (200) comprises a mounting piece (201) and a connecting port (202), wherein threads are arranged on the inner wall of the connecting port (202), one end of the mounting piece (201) is connected with the connecting port (202), and the mounting piece is connected with the telescopic assembly (101) by twisting the threads on the inner wall of the connecting port (202).
10. The sign pole type telescopic mounting tool of claim 9, wherein: the other end of installed part (201) is the loudspeaker form, control assembly (102) produce gas through control second cavity (101b-1), and will produce gas transmission extremely produce the adsorption affinity in installed part (201), through the tablet is markd to adsorption affinity is laid.
CN202110796638.0A 2021-07-14 2021-07-14 Sign board rod type telescopic installation tool Active CN113524108B (en)

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Application Number Priority Date Filing Date Title
CN202110796638.0A CN113524108B (en) 2021-07-14 2021-07-14 Sign board rod type telescopic installation tool

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Application Number Priority Date Filing Date Title
CN202110796638.0A CN113524108B (en) 2021-07-14 2021-07-14 Sign board rod type telescopic installation tool

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CN113524108B CN113524108B (en) 2023-05-23

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