CN210070954U - Fixing device for centering rod - Google Patents

Fixing device for centering rod Download PDF

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Publication number
CN210070954U
CN210070954U CN201921174742.0U CN201921174742U CN210070954U CN 210070954 U CN210070954 U CN 210070954U CN 201921174742 U CN201921174742 U CN 201921174742U CN 210070954 U CN210070954 U CN 210070954U
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China
Prior art keywords
adjusting
rod
fixing
supporting
latch
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CN201921174742.0U
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Chinese (zh)
Inventor
王鸣霄
夏磊凯
缪晗
王晨辉
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Shanghai Map Technology Co Ltd
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Shanghai Map Technology Co Ltd
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Priority to CN201921174742.0U priority Critical patent/CN210070954U/en
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Abstract

The utility model discloses a fixing device for centering rod relates to engineering measuring equipment field. A fixing device for a centering rod comprises a supporting rod and a fixing component, wherein the fixing component is rotatably connected with one end of the supporting rod. The bracing piece is including supporting interior pole and support outer tube, and the outer tube fixedly connected with adjusting part that supports, adjusting part include adjust the card tooth axle one and adjust card tooth axle two. The outer wall of the supporting outer pipe is provided with a fixed shaft for realizing the relative fixation of the supporting inner rod and the supporting outer pipe, and the top of the centering rod is fixedly connected with a level gauge which is vertical to the axis of the centering rod. Through the technical scheme, a measurer only needs to adjust the length of the supporting rod by rotating the first adjusting clamping tooth shaft and the second adjusting clamping tooth shaft, and the adjusting efficiency of the vertical state of the centering rod is greatly improved.

Description

Fixing device for centering rod
Technical Field
The utility model relates to an engineering measurement equipment field especially relates to a fixing device for centering rod.
Background
Surveying and mapping refers to the research and determination and calculation of the geometric position, the spherical shape and the earth gravity field on the ground, so as to measure the geometric distribution of natural objects and artificial facilities on the earth surface, compile the subjects of theories and technologies of various scale maps, the centering rod is an indispensable centering device in a surveying and mapping instrument, and has wide application in surveying and mapping, and the centering rod is a telescopic metal rod which is connected with a tripod frame head and can directly point to a ground mark point in the vertical direction.
The prior Chinese patent with the publication number of CN204059296U discloses a centering rod of a concrete arch dam template positioning scale, which is used for fixing and measuring. The utility model is characterized in that the centering rod bottom rod and the centering rod telescopic rod are both provided with a scale, and a locking bolt is arranged between the centering rod bottom rod and the centering rod telescopic rod; the centering rod bottom rod penetrates through the centering rod tripod and is fixed on the centering rod tripod. During actual use, a measurer realizes vertical adjustment of the centering rod by adjusting the length and the unfolding angle of the tripod and observing a level gauge on the centering rod.
When foretell centering rod tripod is during specifically using, in order to ensure that the centering rod is in vertical state, need survey crew to adjust the length of centering rod tripod and the expansion angle of tripod simultaneously, however, when the centering rod only had the difference of minizone from vertical state, need survey crew to adjust the length and the expansion angle of centering rod tripod in the minizone, because survey crew's arm takes place the shake easily in accommodation process, make survey crew need adjust the length of tripod many times and the expansion angle of tripod just can realize the vertical of centering rod, lead to the regulation inefficiency of centering rod from this.
Disclosure of Invention
The problem of inefficiency when adjusting the vertical state of centering rod to the survey crew who provides among the background art, the utility model provides a fixing device for centering rod, this fixing device are provided with adjusting part, through adjusting part for survey crew can be very convenient the regulation centering rod keep perpendicular, have improved the regulating efficiency of centering rod greatly.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
a fixing device for a centering rod comprises two support rods for supporting the centering rod and a fixing component for fixing the support rods, wherein the fixing component is rotatably connected with one end of each support rod, each support rod comprises a support inner rod and a support outer tube, the support outer tube is sleeved on the support inner rod and is connected with the support inner rod in a sliding manner, the support outer tube is perpendicular to the length extending direction of the support outer tube and is fixedly connected with an adjusting component, the adjusting component comprises an adjusting clamping tooth shaft I for adjusting the relative position between the support inner rod and the support outer tube, the axis direction of the adjusting clamping tooth shaft I is perpendicular to the axis direction of the support outer tube, at least one end of the adjusting clamping tooth shaft I perpendicular to the axis direction of the adjusting clamping tooth shaft I is rotatably connected with a first fixing plate, and the first fixing plate is fixedly connected to the support outer tube, the outer wall of the supporting outer pipe is provided with a fixing shaft in a penetrating mode, the supporting inner rod and the supporting outer pipe are fixed relatively, and the top of the centering rod is fixedly connected with a level meter which is perpendicular to the axis of the centering rod.
Through above-mentioned technical scheme, under the effect of fixed subassembly and bracing piece, when actually adjusting the centering rod, survey crew at first uses fixed subassembly with centering rod and fixing device fixed connection, then places the centering rod subaerial, makes centering rod bottom and two bracing piece bottoms be triangular distribution, then adjusts slide caliper rule axle one through the rotation and changes the relative position between pole and the support outer tube in the support, and then realizes the change of bracing piece length. At the moment, a measurer can determine that the centering rod is in a vertical state by observing the level gauge at the top of the centering rod when the level gauge is in a horizontal state. Under the effect of adjusting the caliper shaft I, a measurer can complete the adjustment of the vertical state of the centering rod only by rotating the adjusting latch shaft, so that the step of adjusting the vertical state of the centering rod is simplified, and the efficiency of adjusting the centering rod is improved.
The utility model discloses a further set up to: the pole side is followed in the support pole axis direction is fixed to be provided with and adjusts latch one in the support, support the outer tube and offer along adjusting a latch extending direction and be used for adjust the regulation latch shifting chute that latch one removed, it is provided with the regulation latch two to adjust the fixed in a latch axle week side, adjust latch one with adjust two intermeshing of latch, through rotating adjust the drive of latch axle one the pole is in slide in the support outer tube.
Through the technical scheme, under the effect of adjusting the first latch and the second latch, the rotation of adjusting the first latch shaft is changed into the relative movement between the inner support rod and the outer support tube, so that the adjustment of a measurer on the length of the support rod is facilitated, and the convenience of adjustment operation is improved.
The utility model discloses a further set up to: the side surface of the support inner rod is fixedly provided with a third adjusting latch along the axis direction of the support inner rod, the third adjusting latch and the first adjusting latch are arranged in parallel, the third adjusting latch is smaller than the first adjusting latch, the adjusting assembly further comprises a second adjusting latch shaft, the axis direction of the second adjusting latch shaft is perpendicular to the axis direction of the support outer tube, at least one end of the second adjusting latch shaft perpendicular to the axis direction of the second adjusting latch shaft is rotatably connected with a second fixing plate, the second fixing plate is fixedly connected to the support outer tube, a fourth adjusting latch is fixedly arranged on the periphery of the second adjusting latch shaft, the fourth adjusting latch is smaller than the second adjusting latch, the third adjusting latch is mutually meshed with the fourth adjusting latch, the second adjusting latch shaft is rotated to drive the support inner rod to slide in the support outer tube, and the relative position of the support inner rod and the support outer rod is finely adjusted.
Through the technical scheme, under the effect of adjusting latch three and adjusting latch four for survey crew can carry out the regulation of minim scope to the length of bracing piece, when the centering rod only has the difference of minim scope from vertical state, only need the rotation of minim scope to adjust latch axle two and can realize the regulation of the vertical state of centering rod, improved the accuracy of centering rod regulation.
The utility model discloses a further set up to: the fixed assembly comprises a rotary fixing column, a fixed clamping ring and a rotary fixing block, the rotary fixing column penetrates through the fixed clamping ring and is in threaded connection with the fixed clamping ring, one end of the rotary fixing block is connected with the other end of the fixed clamping ring in a rotating mode, the inner rod of the support is fixedly connected with the inner rod of the support, and the inner rod of the support passes through the rotary fixing block and the fixed clamping ring to rotate mutually.
Through the technical scheme, under the action of the rotary fixing column, the fixing clamp ring and the rotary fixing block, the fixing clamp ring can be sleeved on the centering rod, the centering rod is tightly abutted and fixed with the fixing assembly by rotating the rotary fixing column, and the centering rod is prevented from falling off from the fixing assembly.
The utility model discloses a further set up to: the one end that the fixed subassembly was kept away from to the support outer tube is provided with the expansion spring, the equal fixedly connected with in both ends of expansion spring support the outer tube.
Through above-mentioned technical scheme, under the effect of expansion spring for fixing device can be with the quick expansion of bracing piece when in actual use, has improved the convenience of fixing device operation.
The utility model discloses a further set up to: the support outer tube is kept away from the one end of fixed subassembly is provided with bracing piece shrink draw-in groove piece, the bracing piece shrink draw-in groove piece at least one end with support the outer tube and can dismantle the connection.
Through above-mentioned technical scheme, under the effect of bracing piece shrink draw-in groove piece for when carrying or carrying fixing device, the bracing piece can reciprocal anchorage, can not take place to rock each other, has improved fixing device's stability.
The utility model discloses a further set up to: and one end of the supporting outer pipe, which is far away from the fixing component, is provided with a supporting rod non-slip mat.
Through above-mentioned technical scheme, under the effect of bracing piece slipmat, when fixing device kept the vertical process of centering rod, support the outer tube and can not produce relative slip with ground, improved fixing device's stability.
The utility model discloses a further set up to: and a first knob is arranged at one end, far away from the second adjusting latch, of the first adjusting latch shaft, and a second knob is arranged at one end, far away from the fourth adjusting latch, of the second adjusting latch shaft.
Through the technical scheme, under the action of the first knob and the second knob, the measurer can very conveniently rotate the first adjusting clamping tooth shaft and the second adjusting clamping tooth shaft, and convenience is provided for the measurer when the measurer adjusts the length of the supporting rod.
The utility model discloses a further set up to: the supporting outer pipe is perpendicular to the axis direction of the supporting outer pipe, a fixing hole is formed in the supporting outer pipe, internal threads are arranged in the fixing hole, the fixing shaft is placed in the fixing hole and is in threaded connection with the supporting outer pipe, and the fixing shaft is tightly abutted to the supporting inner rod through rotating the fixing shaft.
Through above-mentioned technical scheme, under the effect of fixed axle and fixed shaft hole, after survey crew adjusted the vertical position with the centering rod, can realize supporting interior pole and supporting the reciprocal anchorage between the outer tube through the fixed axle, avoid supporting interior pole and supporting the outer tube and produce relative movement, improved fixing device's stability.
The utility model has the advantages that:
(1) by arranging the adjusting assembly, the adjusting movement of the inner supporting rod and the outer supporting rod can be realized by rotating the first adjusting clamping tooth shaft and the second adjusting clamping tooth shaft by a worker, so that the step of adjusting the centering rod to be vertical is simplified, and the adjusting efficiency of the centering rod is improved;
(2) through setting up expansion spring, bracing piece shrink draw-in groove piece, first adjust knob and second adjust knob for survey crew can be more convenient operation fixing device, improved the convenience of fixing device operation.
Drawings
FIG. 1 is a view showing a folding structure of a fixing device;
FIG. 2 is an overall view of the fixing device in an expanded state;
FIG. 3 is an exploded view of the support rod;
fig. 4 is an overall structure view of the centering rod and the fixing assembly.
The reference symbols: 1. a centering rod; 2. a support bar; 21. supporting the inner rod; 211. adjusting a first clamping tooth; 212. adjusting second clamping teeth 22 and supporting an outer pipe; 221. adjusting a third latch; 222. adjusting a latch IV; 223. adjusting the latch moving groove; 3. a fixing assembly; 31. rotating the fixed column; 32. fixing the snap ring; 33. rotating the fixed block; 4. an adjustment assembly; 41. adjusting a first clamping tooth shaft; 42. adjusting a second clamping tooth shaft; 43. a first fixing plate; 44. a second fixing plate; 9. A fixed shaft; 91. a fixing hole; 10. unwinding a spring; 11. the support rod contracts the clamping groove block; 12. a support rod anti-skid pad; 13. a first knob; 14. a second knob; 15. a level gauge.
Detailed Description
The present invention will be described in further detail with reference to examples.
As shown in fig. 1 and 3, a fixing device for a centering rod for maintaining a vertical state of the centering rod 1. The fixing device is connected with a centering rod 1 and comprises two supporting rods 2, a fixing component 3 and an adjusting component 4. The fixed component 3 is rotatably connected at one end of the two support rods 2, and the adjusting component 4 is fixedly connected in the middle of the support rods 2 in a direction perpendicular to the length extending direction of the support rods 2. A level gauge 15 is arranged on the top of the centering rod 1 and perpendicular to the axial direction of the centering rod 1. The level gauge 15 is a bubble level gauge, and when bubbles in the bubble level gauge are located at the center of the level gauge 15, it can be determined that the centering rod 1 is in a vertical state at the moment.
As shown in fig. 1 and 3, the support rod 2 includes a support inner rod 21 and a support outer rod 22. The support outer tube 22 is sleeved outside the support inner rod 21 and connected with the support inner rod 21 in a sliding manner. One end of the supporting outer tube 22 far away from the fixing component 3 is provided with a spreading spring 10, and two ends of the spreading spring 10 are fixedly connected with the two supporting outer tubes 22. Under the effect of expansion spring 10 for fixing device is when in actual use, can be with the quick expansion of bracing piece 2, has improved the convenience of fixing device operation. The one end that fixed subassembly 3 was kept away from to support outer tube 22 still is provided with bracing piece shrink draw-in groove piece 11, and the one end and the outer tube 22 welding of support of bracing piece shrink draw-in groove piece 11, and the other end and the other one of bracing piece shrink draw-in groove piece 11 support outer tube 22 and can dismantle with be connected. Under the effect of bracing piece shrink draw-in groove piece 11 for when carrying or carrying fixing device, bracing piece 2 can the reciprocal anchorage, can not take place to rock each other, has improved fixing device's stability.
As shown in fig. 1 and 3, in order to avoid the relative sliding between the supporting outer tubes 22 and the ground during the process of keeping the centering rod 1 vertical, the stability of the fixing device is improved, and the supporting rod anti-skid pads 12 are arranged at the ends of the two supporting outer tubes 22 far away from the fixing assembly 3.
As shown in fig. 1 and 3, the supporting outer tube 22 is provided with a fixing shaft hole 91 perpendicular to the axis direction of the supporting outer tube 22, a fixing shaft 9 is arranged in the fixing shaft hole 91, the fixing shaft 9 is in threaded connection with the fixing shaft hole 91, the fixing shaft 9 can be tightly abutted against the supporting inner rod 21 by rotating the fixing shaft 9, and further the supporting inner rod 21 and the supporting outer tube 22 can be fixed to each other.
As shown in fig. 1 and 4, the fixing assembly 3 includes a rotation fixing post 31, a fixing snap ring 32, and a rotation fixing block 33. The rotation fixing column 31 is arranged on the fixing snap ring 32 in a penetrating mode and is in threaded connection with the fixing snap ring 32. One end of the rotary fixing block 33 is rotatably connected with the fixed snap ring 32, and the other end of the rotary fixing block 33 is fixedly connected with one end of the support inner rod 21. The support inner rod 21 rotates relative to the fixed snap ring 32 through the rotation of the rotary fixing block 33. During the in-service use, establish fixed subassembly 3 cover on centering rod 1 to realize supporting each other tightly between rotatory fixed column 31 and the centering rod 1 through rotating rotatory fixed column 31, and then realize fixed subassembly 3 to the fixed action of centering rod 1.
As shown in fig. 2 and 3, the adjusting assembly 4 includes a first adjusting ratchet shaft 41 for adjusting the relative position between the inner support rod 21 and the outer support tube 22, and the axial direction of the first adjusting ratchet shaft 41 is perpendicular to the axial direction of the outer support tube 22. The two ends of the first adjusting latch shaft 41 perpendicular to the axis direction of the first adjusting latch shaft 41 are rotatably connected with two first fixing plates 43, the first fixing plates 43 are fixedly connected to the supporting outer tube 22, the first adjusting latch shaft 41 is fixedly connected with the supporting outer tube 22 through the fixing effect of the first fixing plates 43, and the stability of the first adjusting latch shaft 41 is enhanced.
As shown in fig. 1 and 3, a first adjusting latch 211 is fixedly arranged on the side surface of the inner support rod 21 along the axial direction of the inner support rod 21, and an adjusting latch moving groove 222 for adjusting the movement of the first adjusting latch 211 is formed in the outer support tube 22 along the extending direction of the first adjusting latch 211. The peripheral side of the first adjusting latch shaft 41 is fixedly provided with a second adjusting latch 212, the first adjusting latch 211 and the second adjusting latch 212 are meshed with each other, the first adjusting latch shaft 41 is rotated to drive the inner support rod 21 to slide in the outer support tube 22, and the purpose of adjusting the relative position of the inner support rod 21 and the outer support tube 22 by rotating the first adjusting latch shaft 41 is further achieved.
As shown in fig. 1 and 3, the adjusting assembly 4 further includes a second adjusting latch shaft 42 for adjusting the relative position between the inner support rod 21 and the outer support tube 22, and the axial direction of the second adjusting latch shaft 42 is perpendicular to the axial direction of the outer support tube 22. Two second fixing plates 44 are rotatably connected to two ends, perpendicular to the axis direction, of the second adjusting latch shaft 42, the second fixing plates 44 are fixedly connected to the supporting outer tube 22, the second adjusting latch shaft 42 is fixedly connected to the supporting outer tube 22 through the fixing effect of the second fixing plates 44, and the stability of the second adjusting latch shaft 42 is enhanced.
As shown in fig. 1 and 3, an adjusting latch tooth three 221 is fixedly arranged on the side surface of the inner support rod 21 along the axial direction of the inner support rod 21, the adjusting latch tooth three 221 and the adjusting latch tooth one 211 are arranged in parallel, and the adjusting latch tooth three 221 is smaller than the adjusting latch tooth one 211. The peripheral side of the second adjusting latch shaft 42 is fixedly provided with a fourth adjusting latch 222, the fourth adjusting latch 222 is smaller than the second adjusting latch 212, the third adjusting latch 221 is meshed with the fourth adjusting latch 222, the second adjusting latch shaft 42 is rotated to drive the inner support rod 21 to slide in the outer support tube 22, and fine adjustment of the relative position of the inner support rod 21 and the outer support rod 22 in a small range is achieved.
As shown in fig. 1 and 3, in order to enable a measurer to rotate the first adjusting latch shaft and the second adjusting latch shaft very conveniently, a first knob 13 is arranged at one end of the first adjusting latch shaft 41, which is far away from the second adjusting latch shaft 212. The end of the second adjusting latch shaft 42 away from the fourth adjusting latch 222 is provided with a second knob 14.
When the measurer adjusts the fixing device to maintain the centering rod 1 to be vertical, the fixing component 3 is firstly sleeved on the centering rod 1, and the fixing component 3 and the centering rod 1 are fixed with each other by rotating the rotary fixing column 31. Then, the support rod 2 is opened, so that the bottom end of the centering rod 1 and the bottom ends of the two support outer tubes 22 are distributed in a triangular shape on the ground. The length of the supporting rod 2 is changed by rotating the adjusting latch shaft I41, and the centering rod 1 is adjusted to be in a roughly vertical state by observing the level gauge 15. Then through rotating the second adjusting latch shaft 42, the adjustment of the small range of the length of the support rod 2 is realized, and through observing the level meter 15, when the air bubble in the air bubble level meter is positioned at the central position of the level meter 15, the centering rod 1 can be judged to be in a vertical state at the moment. Under the action of the first adjusting caliper shaft 41 and the second adjusting latch shaft 42, a measurer can complete the adjustment of the vertical state of the centering rod 1 only by rotating the first knob 13 and the second knob 14, so that the step of adjusting the vertical state of the centering rod 1 is simplified, and the efficiency of adjusting the centering rod 1 is improved.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a fixing device for centering rod, is including two bracing pieces (2) that are used for supporting centering rod (1) and fixed subassembly (3) that are used for fixed bracing piece (2), fixed subassembly (3) with the one end of bracing piece (2) is rotated and is connected, its characterized in that, bracing piece (2) are including supporting interior pole (21) and supporting outer tube (22), support outer tube (22) cover establish support interior pole (21) on and with support interior pole (21) connection that slides, support outer tube (22) perpendicular to support outer tube (22) length extension direction fixedly connected with adjusting part (4), adjusting part (4) including being used for adjusting support interior pole (21) with support outer tube (22) between the relative position adjust latch axle one (41), adjust the axis direction of latch axle one (41) with the axis direction mutually perpendicular of supporting outer tube (22), adjust a calorie of tooth axle (41) perpendicular to adjust the rotation of the at least one end of axis direction of a calorie of tooth axle (41) and be connected with first fixed plate (43), first fixed plate (43) fixed connection be in support outer tube (22) on, wear to be equipped with the realization on supporting outer tube (22) outer wall support interior pole (21) with support outer tube (22) fixed axle (9) relatively fixed, the top fixedly connected with of centering rod (1) with centering rod (1) axis mutually perpendicular's spirit level (15).
2. The fixing device for the centering rod as claimed in claim 1, wherein the side surface of the inner support rod (21) is fixedly provided with a first adjusting latch (211) along the axial direction of the inner support rod (21), the outer support tube (22) is provided with a first adjusting latch moving groove (223) along the extending direction of the first adjusting latch (211) for moving the first adjusting latch (211), a second adjusting latch (212) is fixedly arranged on the peripheral side of the first adjusting latch (41), the first adjusting latch (211) and the second adjusting latch (212) are engaged with each other, and the first adjusting latch (41) drives the inner support rod (21) to slide in the outer support tube (22) by rotating.
3. The fixing device for the centering rod as claimed in claim 2, wherein a third adjusting latch (221) is fixedly arranged on the side surface of the inner support rod (21) along the axial direction of the inner support rod (21), the third adjusting latch (221) is juxtaposed to the first adjusting latch (211), the third adjusting latch (221) is smaller than the first adjusting latch (211), the adjusting assembly (4) further comprises a second adjusting latch shaft (42), the axial direction of the second adjusting latch shaft (42) is perpendicular to the axial direction of the outer support tube (22), at least one end of the second adjusting latch shaft (42) perpendicular to the axial direction of the second adjusting latch shaft (42) is rotatably connected with a second fixing plate (44), the second fixing plate (44) is fixedly connected to the outer support tube (22), and a fourth adjusting latch (222) is fixedly arranged on the second adjusting latch shaft (42), the adjusting latch four (222) is smaller than the adjusting latch two (212), the adjusting latch three (221) is meshed with the adjusting latch four (222), the adjusting latch shaft two (42) is rotated to drive the supporting inner rod (21) to slide in the supporting outer tube (22), and fine adjustment of the relative position of the supporting inner rod (21) and the supporting outer tube (22) is achieved.
4. The fixing device for the centering rod as claimed in claim 1, wherein the fixing component (3) comprises a rotation fixing column (31), a fixing snap ring (32) and a rotation fixing block (33), the rotation fixing column (31) penetrates through the fixing snap ring (32) and is in threaded connection with the fixing snap ring (32), one end of the rotation fixing block (33) is rotatably connected with the fixing snap ring (32) and the other end of the rotation fixing block is fixedly connected with the inner support rod (21), and the inner support rod (21) is rotated with the fixing snap ring (32) through the rotation fixing block (33).
5. A fixing device for a centering rod according to claim 1, characterized in that an end of the supporting outer tube (22) remote from the fixing assembly (3) is provided with a deployment spring (10), and both ends of the deployment spring (10) are fixedly connected with the supporting outer tube (22).
6. A fixing device for a centering rod according to claim 1, characterized in that the end of the supporting outer tube (22) far away from the fixing assembly (3) is provided with a supporting rod retraction notch block (11), and at least one end of the supporting rod retraction notch block (11) is detachably connected with the supporting outer tube (22).
7. A fixing device for a centring rod, as claimed in claim 1, characterised in that the end of the outer support tube (22) remote from the fixing assembly (3) is provided with a support rod non-slip pad (12).
8. A fixture for a centering rod according to claim 3, wherein an end of the first adjustment latch shaft (41) remote from the second adjustment latch (212) is provided with a first knob (13), and an end of the second adjustment latch shaft (42) remote from the fourth adjustment latch (222) is provided with a second knob (14).
9. The fixing device for the centering rod as claimed in claim 1, wherein the supporting outer tube (22) is provided with a fixing hole (91) perpendicular to the axial direction of the supporting outer tube (22), an internal thread is arranged in the fixing hole (91), the fixing shaft (9) is placed in the fixing hole (91) and is in threaded connection with the supporting outer tube (22), and the fixing shaft (9) is rotated to be tightly abutted against the supporting inner rod (21).
CN201921174742.0U 2019-07-23 2019-07-23 Fixing device for centering rod Active CN210070954U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921174742.0U CN210070954U (en) 2019-07-23 2019-07-23 Fixing device for centering rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921174742.0U CN210070954U (en) 2019-07-23 2019-07-23 Fixing device for centering rod

Publications (1)

Publication Number Publication Date
CN210070954U true CN210070954U (en) 2020-02-14

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Application Number Title Priority Date Filing Date
CN201921174742.0U Active CN210070954U (en) 2019-07-23 2019-07-23 Fixing device for centering rod

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111999883A (en) * 2020-09-10 2020-11-27 深圳市博铭维智能科技有限公司 Stable supporting device for periscope

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111999883A (en) * 2020-09-10 2020-11-27 深圳市博铭维智能科技有限公司 Stable supporting device for periscope
CN111999883B (en) * 2020-09-10 2023-12-01 深圳市博铭维智能科技有限公司 Stable supporting device for periscope

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