CN208751531U - A kind of theodolite - Google Patents

A kind of theodolite Download PDF

Info

Publication number
CN208751531U
CN208751531U CN201821686054.8U CN201821686054U CN208751531U CN 208751531 U CN208751531 U CN 208751531U CN 201821686054 U CN201821686054 U CN 201821686054U CN 208751531 U CN208751531 U CN 208751531U
Authority
CN
China
Prior art keywords
folding rod
connecting rod
rod
round tube
fixture block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201821686054.8U
Other languages
Chinese (zh)
Inventor
陈波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Linan Lurun Land Survey Planning And Design Co Ltd
Original Assignee
Hangzhou Linan Lurun Land Survey Planning And Design Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Linan Lurun Land Survey Planning And Design Co Ltd filed Critical Hangzhou Linan Lurun Land Survey Planning And Design Co Ltd
Priority to CN201821686054.8U priority Critical patent/CN208751531U/en
Application granted granted Critical
Publication of CN208751531U publication Critical patent/CN208751531U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Rehabilitation Tools (AREA)

Abstract

The utility model relates to a kind of theodolites, including pedestal, instrument and more support rods, support rod include connecting rod and folding rod, and rotation circular groove is offered on one end of folding rod, and the round tube that one end is protruded into rotation circular groove is provided in connecting rod;It is provided with the retention mechanism for locking folding rod position on round tube, retention mechanism includes that the multiple channels being provided on round tube peripheral wall, sliding are embedded ball in the channel, for driving multiple balls to push against the abutting part of rotation circular groove inner walls.By the setting for rotating circular groove and round tube, realizing folding rod can rotate with respect to the position of connecting rod, ball is driven to be pushed against simultaneously on the inner wall of rotation circular groove by pushing against part again, reach the fixation to folding rod position, it is finally reached the adjustment to support rod entire length, when not using theodolite, the space hold volume of theodolite, easy to carry and storage can be effectively reduced.

Description

A kind of theodolite
Technical field
The utility model relates to a kind of engineering mapping equipment, more particularly, to a kind of theodolite.
Background technique
Theodolite is the measuring instrument of a kind of the measurement horizontal angle according to angle measuring principle design and vertical angle, is divided into optics warp Latitude instrument and two kinds of electronic theodolite.
Such as the patent that notification number is CN206556634U, the patent provides a kind of theodolite, including pedestal, stabilizer blade and solid Fixed pole, the interior of the fixed link are equipped with object placing cavity open at one end, are equipped with umbrella, the opening of the object placing cavity in the object placing cavity Pass through cover closure.
Theodolite in the prior art in fixed link by being arranged umbrella, in the case where raining or strong light, user Umbrella can be taken out rapidly to keep the sun off or rainwater, the damage of theodolite can be effectively reduced.But the theodolite makes After finishing, three supporting legs need to mutually be drawn close, be collected, but three supporting legs can still occupy biggish space body after collapsing Product, is extremely unfavorable for the carrying and storage of theodolite.
Utility model content
The purpose of the utility model is to provide a kind of theodolites, shorten support pole length, reach easy to carry and storage Purpose effect.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of theodolite, including pedestal, the instrument being connected to above pedestal and more supports being articulated with below pedestal Bar, the support rod include connecting rod and folding rod, offer rotation circular groove on one end of the folding rod, in the connecting rod It is provided with the round tube that one end is protruded into rotation circular groove, i.e. folding rod rotates in connecting rod around the axis of round tube;On the round tube Be provided with the retention mechanism for locking folding rod position, the retention mechanism include be provided with it is multiple on the round tube peripheral wall Channel, sliding be embedded ball in the channel, is arranged in the round tube and drives multiple balls to push against rotation circular grooves for synchronous The abutting part of inner wall, the inside and outside wall of the channel connection round tube.
By using above-mentioned technical proposal, by rotating the setting of circular groove and round tube, realizing folding rod can opposite connection The position of bar rotates, then drives ball to be pushed against simultaneously on the inner wall of rotation circular groove by pushing against part, reaches to folding rod The fixation of position is finally reached the adjustment to support rod entire length, when not using theodolite, can effectively reduce theodolite Space hold volume, it is easy to carry and storage.
The utility model is further arranged to: the abutting part includes the rotating bar being threaded on round tube inner wall, right Multiple balls are answered circumferentially to be opened in the first guide surface on the rotating bar periphery wall, first guide surface to the rotating bar The distance between central axes are arranged along the axial direction of rotating bar in gradual change;Described rotating bar one end is pierced by connecting rod and is equipped with rotation Swing handle.
By using above-mentioned technical proposal, by rotary motion handle grip turn lever around own axis, in screw thread Under the action of, rotating bar will be moved along the axial direction of round tube, during rotating bar is mobile, the first guide surface and ball Between spacing gradually change, final first guide surface by drive ball push against or do not push against in rotation circular groove in Wall, and then fixation and release to folding rod position are realized, operating process is very convenient quick.
The utility model is further arranged to: multiple tracks non-slip groove is offered on the swing handle.
By using above-mentioned technical proposal, the setting of multiple tracks non-slip groove increases the coefficient of friction on swing handle surface, into And the frictional force between operator's hand and swing handle is increased, allow operator's more easily rotary motion handle.
The utility model is further arranged to: offered in the connecting rod for folding rod rotation pack up after place it is recessed Slot.
By using above-mentioned technical proposal, folding rod is rotatable to be placed in groove, preferably reduces the occupancy of equipment Space is more advantageous to the carrying and storage of equipment.
The utility model is further arranged to: is provided in the connecting rod when folding rod rotation is set in groove to folding The fixed mechanism that bar position is fixed, fixed mechanism include the mounting groove being opened on groove inner sidewall, are opened in folding rod It is upper and when folding rod is rotated to groove the card slot of face mounting groove, the fixture block being slidably connected in mounting groove, be arranged in card Spring between block and mounting groove slot bottom and it is arranged in connecting rod for driving fixture block to be detached from the disassembly component of card slot, bullet The both ends of spring are individually fixed in the slot bottom of fixture block and mounting groove.
By using above-mentioned technical proposal, when folding rod is nearly transferred to inside grooves completely, card slot on folding rod with Mounting groove face on groove inner sidewall, then fixture block will enter in card slot under the action of the spring, realize fixture block and card slot Be engaged by clamping, and then haved the function that fixed fold bar, on the basis of retention mechanism further to the position of folding rod into Row is fixed, and the adjustment to support pole length is more convenient;If to be rotated to the position of folding rod, then made by dismantling component Fixture block is detached from card slot, then the inner wall by making ball not push against rotation circular groove can be realized, and operating process is simple.
The utility model is further arranged to: the disassembly component includes the drawstring being arranged in the connecting rod, setting Pull ring on described drawstring one end, one end of drawstring and fixture block are connected, and the other end of drawstring is pierced by connecting rod;Pull ring is mounted on Drawstring is pierced by one end of connecting rod.
By using above-mentioned technical proposal, drawstring is driven to move by pulling pull ring, drawstring drives fixture block from card slot It detaches, eliminates the fixed effect between connecting rod and folding rod, folding rod can be rotated, to adjust support rod Entire length, operating process is simple.
The utility model is further arranged to: the fixture block is provided with second with folding rod cooperation far from one end of spring Fixture block is arranged in towards on the side of folding rod in guide surface, second guide surface.
The second guiding by using above-mentioned technical proposal, when folding rod is transferred to inside grooves, on folding rod and fixture block Face takes the lead in contradicting, during folding rod goes successively to inside grooves, conflict and second guide surface of the fixture block in folding rod Under collective effect, fixture block can automatically into mounting groove, do not need at this time in advance by disassembly component so that fixture block is introduced into installation In slot, reduce operating procedure, keeps the operation for shortening support pole length more convenient.
The utility model is further arranged to: the folding rod is connected with locating cone far from one end of rotation circular groove.
Folding rod is set to place stabilization convenient for folding rod is penetrated into below ground by using above-mentioned technical proposal, To further promote the stability of strutting system to instrument.
The utility model is further arranged to: the grip part held for hand is connected on the folding rod.
By using above-mentioned technical proposal, operator can be by grip part come the position of more quickly and efficiently rotary folding bar It sets.
In conclusion the advantageous effects of the utility model are as follows:
1. the adjustment of support rod entire length is realized by retention mechanism, to reduce the space hold volume of theodolite, Easy to carry and storage;
2. further the position of folding rod is fixed on the basis of retention mechanism, improves folding rod and be located in groove When stability;
3. being conducive to be promoted the stability of instrument entirety.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the broken section structural schematic diagram of support rod in Fig. 1.
Fig. 3 is the enlarged diagram at the A in Fig. 2.
In figure, 1, pedestal;2, instrument;3, support rod;31, connecting rod;32, folding rod;4, groove;5, circular groove is rotated;6, Through-hole;7, round tube;8, ring side;9, retention mechanism;91, channel;92, ball;93, part is pushed against;931, rotating bar;932, it first leads To face;10, non-slip groove;11, grip part;12, locating cone;13, mounting groove;14, card slot;15, fixture block;16, spring;17, second Guide surface;18, component is dismantled;181, drawstring;182, pull ring;19, swing handle.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Figures 1 and 2, a kind of theodolite, including cross section pedestal 1 triangular in shape, the instrument being mounted on above pedestal 1 Device 2 and three support rods 3 for being articulated with 1 lower section of pedestal, three support rods 3 are uniformly distributed around the center of pedestal 1.Every branch The connecting rod 31 and the folding rod 32 being set in groove 4 that strut 3 opens up fluted 4 including one, 32 side of folding rod The rounded rotation circular groove 5 in section is offered on surface, it is same to offer section on the position of 31 face of connecting rod rotation circular groove 5 The rounded through-hole 6 of sample, the through-hole 6 are connected to groove 4, and round tube 7 is coaxially arranged in through-hole 6, and one end of round tube 7, which is protruded into, to be turned In dynamic circular groove 5, the other end of round tube 7 is pierced by connecting rod 31 and is fixedly connected with ring side 8, ring side 8 be bolted to connection in In connecting rod 31, i.e., folding rod 32 can be in the groove 4 that the axis of round tube 7 is rotationally connected with connecting rod 31, and then reaches pair The adjustment of 3 entire length of support rod.
A grip part 11 is fixedly installed on folding rod 32, operator can be more convenient to folding by grip part 11 Bar 32 is rotated.Meanwhile it being fixedly installed locating cone 12 on one end that folding rod 32 relatively rotates circular groove 5, using warp When latitude instrument measures, below ground is inserted by locating cone 12, further increases the stability of equipment.
Referring to Fig. 2 and Fig. 3, it is provided on round tube 7 and 32 position of folding rod is locked when folding rod 32 rotates out of groove 4 Fixed retention mechanism 9, retention mechanism 9 include be provided on 7 peripheral wall of round tube six channels 91, sliding be embedded in channel 91 Ball 92 and it is arranged in inside round tube 7 for driving six balls 92 to push against in the abutting part for rotating 5 inner wall of circular groove simultaneously 93, six channels 91 are uniformly distributed around the axis of round tube 7, and channel 91 is connected to the inner and outer wall of round tube 7;Pushing against part 93 includes It the rotating bar 931 that is threaded on 7 inner wall of round tube and is provided on 931 periphery wall of rotating bar along the circumferential direction of rotating bar 931 First guide surface 932, first guide surface 932 to the distance between 931 central axes of rotating bar towards the direction far from rotation circular groove 5 by Gradually it is incremented by, rotating bar 931 and round tube 7 are coaxial arrangement, and rotating bar 931 stretches out connecting rod 31 simultaneously far from one end of rotation circular groove 5 It is fixedly connected with swing handle 19, multiple tracks non-slip groove 10 is uniformly provided on swing handle 19.Pass through rotary motion handle 19 Drive connecting rod 31 around own axis, under the action of screw thread, rotating bar 931 is moved along the axial direction of round tube 7, is rotated In the process of moving, the spacing between ball 92 and the first guide surface 932 gradually changes bar 931, and ball 92 is first The inner wall for not pushing against rotation circular groove 5 perhaps is pushed against under the action of guide surface 932 to reach fixed or unclamp folding rod 32 Effect.
Referring to Fig. 2, the mounting groove 13 of rectangular in cross-section is offered on the inner sidewall of groove 4, folding rod 32 is far from rotation Section offered equally on one end side wall of circular groove 5 be in the card slot 14 of rectangle, card slot 14 is identical with the specification size of mounting groove 13, And card slot 14 can face mounting groove 13 during rotation for folding rod 32.It slidably connects in mounting groove 13 and matches with the clamping of card slot 14 The fixture block 15 of conjunction, is equipped with spring 16 between fixture block 15 and the slot bottom of mounting groove 13, and one end of spring 16 and fixture block 15 bond Fixed, the slot bottom of the other end and mounting groove 13 of spring 16 is adhesively fixed, fixture block 15 be provided on one end far from spring 16 and Fixture block 15 is arranged in towards the side of interior bar folding rod 32 in the second guide surface 17 that folding rod 32 cooperates, second guide surface 17 On.The disassembly component 18 for driving fixture block 15 to be detached from card slot 14 is additionally provided in connecting rod 31.When folding rod 32 is transferred to groove 4 When interior, under the action of folding rod 32 and the second guide surface 17,15 compressed spring 16 of fixture block enters in mounting groove 13, when card slot 14 When with 13 face of mounting groove, spring 16 resets, and fixture block 15 enters the fixation completed in card slot 14 to 32 position of folding rod, if Folding rod 32 is produced into groove 4, then drives fixture block 15 to be detached from card slot 14 by disassembly component 18, folding rod 32 can be carried out Rotate, ball 92(such as Fig. 3 then driven by rotation connecting rod 31 again) push against the position for rotating the inner wall of circular groove 5 to folding rod 32 It sets and is fixed, operation is same convenient and efficient.
Disassembly component 18 includes the drawstring 181 being arranged in connecting rod 31 and the pull ring being mounted on 181 one end of drawstring 182, one end of medium pulling rope 181 and fixture block 15 are connected, and the other end of drawstring 181 is pierced by connecting rod 31, and pull ring 182 is mounted on drawing Rope 181 is pierced by one end of connecting rod 31.Drawstring 181 is pulled by pull ring 182 with can be convenient, to drive fixture block 15 towards peace It the movement of 13 direction of tankage and then is detached from card slot 14, makes the cancellation for being clamped relationship between connecting rod 31 and folding rod 32, allow folding Bar 32 can rotate with respect to connecting rod 31.
The implementation principle of the present embodiment are as follows: when being measured using theodolite, by pulling drawstring 181 to drive fixture block 15 It is detached from from card slot 14, while rotary motion bar 931 does not push against the ball 92 on round tube 7 in the inner wall of rotation circular groove 5 Folding rod 32 is rotated, makes the first guide surface when the rotation of folding rod 32 to suitable position, then through rotary motion bar 931 932 driving balls 92 are pushed against in the inner wall of rotation circular groove 5, are finally reached the elongation to 3 entire length of support rod.When theodolite is examined When survey finishes, by reversely rotating rotating bar 931, does not push against ball 92 in the inner wall of rotation circular groove 5, bar can be turned folding 32 make it into groove 4, then 32 position of folding rod are fixed by fixture block 15 and card slot 14, while can also pass through ball again 92 pairs of 32 positions of folding rod are further fixed, and are finally reached and are shortened to the whole length of support rod 3, reach and be convenient for The purpose effect carried and stored.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims (9)

1. a kind of theodolite including pedestal (1), the instrument (2) being connected to above pedestal (1) and is articulated with below pedestal (1) More support rods (3), it is characterized by: the support rod (3) includes connecting rod (31) and folding rod (32), the folding rod (32) rotation circular groove (5) is offered on one end, and the circle that one end is protruded into rotation circular groove (5) is provided on the connecting rod (31) It manages (7), i.e. folding rod (32) rotates on connecting rod (31) around the axis of round tube (7);It is provided on the round tube (7) for locking Determine the retention mechanism (9) of folding rod (32) position, the retention mechanism (9) is more on the round tube (7) peripheral wall including being provided with It is multiple for synchronous driving in the round tube (7) that a channel (91), sliding are embedded the ball (92) in channel (91), setting Ball (92) pushes against the abutting part (93) of rotation circular groove (5) inner wall, the inside and outside wall of channel (91) connection round tube (7).
2. a kind of theodolite according to claim 1, it is characterised in that: the abutting part (93) includes being threaded in circle Rotating bar (931), corresponding multiple balls (92) on pipe (7) inner wall are circumferentially opened on the rotating bar (931) periphery wall First guide surface (932), the distance between described first guide surface (932) to the rotating bar (931) central axes is along rotating bar (931) axial direction is arranged in gradual change;Described rotating bar (931) one end is pierced by connecting rod (31) and is equipped with rotation swing handle (19).
3. a kind of theodolite according to claim 2, it is characterised in that: it is anti-to offer multiple tracks on the swing handle (19) Sliding slot (10).
4. a kind of theodolite according to claim 1, it is characterised in that: offer on the connecting rod (31) for folding rod (32) groove (4) that rotation is placed after packing up.
5. a kind of theodolite according to claim 4, it is characterised in that: be provided on the connecting rod (31) and work as folding rod (32) rotation set groove (4) it is interior when fixed mechanism that folding rod (32) position is fixed, fixed mechanism include be opened in it is recessed Mounting groove (13) on slot (4) inner sidewall, be opened on folding rod (32) and when folding rod (32) rotation is interior to groove (4) just To the card slot (14) of mounting groove (13), the fixture block (15) being slidably connected in mounting groove (13), setting in fixture block (15) and installation Spring (16) and setting between slot (13) slot bottom are on connecting rod (31) for driving fixture block (15) to be detached from card slot (14) It dismantles component (18), the both ends of spring (16) are individually fixed in the slot bottom of fixture block (15) and mounting groove (13).
6. a kind of theodolite according to claim 5, it is characterised in that: the disassembly component (18) includes being arranged described The pull ring (182) of drawstring (181), setting on the drawstring (181) one end in connecting rod (31), one end of drawstring (181) It is connected with fixture block (15), the other end of drawstring (181) is pierced by connecting rod;Pull ring (182) is mounted on drawstring (181) and is pierced by connecting rod (31) on one end.
7. a kind of theodolite according to claim 6, it is characterised in that: the one end of the fixture block (15) far from spring (16) It is provided with the second guide surface (17) with folding rod (32) cooperation, second guide surface (17) setting is folded in fixture block (15) direction On the side of bar (32).
8. a kind of theodolite according to claim 1, it is characterised in that: the folding rod (32) is far from rotation circular groove (5) One end be connected with locating cone (12).
9. a kind of theodolite according to claim 1, it is characterised in that: be connected on the folding rod (32) for hand The grip part (11) of gripping.
CN201821686054.8U 2018-10-17 2018-10-17 A kind of theodolite Expired - Fee Related CN208751531U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821686054.8U CN208751531U (en) 2018-10-17 2018-10-17 A kind of theodolite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821686054.8U CN208751531U (en) 2018-10-17 2018-10-17 A kind of theodolite

Publications (1)

Publication Number Publication Date
CN208751531U true CN208751531U (en) 2019-04-16

Family

ID=66086000

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821686054.8U Expired - Fee Related CN208751531U (en) 2018-10-17 2018-10-17 A kind of theodolite

Country Status (1)

Country Link
CN (1) CN208751531U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111637339A (en) * 2020-05-18 2020-09-08 四川珂兴建设工程造价咨询有限责任公司 Multifunctional construction engineering budget rehearsal equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111637339A (en) * 2020-05-18 2020-09-08 四川珂兴建设工程造价咨询有限责任公司 Multifunctional construction engineering budget rehearsal equipment
CN111637339B (en) * 2020-05-18 2021-08-10 四川珂兴建设工程造价咨询有限责任公司 Multifunctional construction engineering budget rehearsal equipment

Similar Documents

Publication Publication Date Title
CN102944702B (en) Lifting type high-voltage test overhead wiring clamp device
CN207964587U (en) A kind of composable, adjusting spray test holder
CN109813569A (en) A kind of deep soil device for quick collecting
CN208735195U (en) A kind of total station tripod
CN208751531U (en) A kind of theodolite
CN107681535B (en) A kind of conducting wire locking positioning modular construction
CN107681534B (en) One kind is vertical to remove bar and struts positioning device with conducting wire
CN208751532U (en) A kind of theodolite
CN206724358U (en) Semi-automatic portable outdoor air conditioner fitting machine
CN208967393U (en) A kind of multi-functional sampling stand
CN209496153U (en) A kind of atmospherium easy to remove
CN209069321U (en) Climatic chamber Temperature and Humidity calibration multisensor arrangement apparatus
CN209432481U (en) A kind of environment measuring sampler of coffee plantation
CN207478628U (en) A kind of convertible medical inspection sampling bench
CN207581021U (en) Umbrella shape wire-unfolding rack
CN206920187U (en) A kind of atmosphere sampling instrument
CN214503267U (en) Industrial dust detection equipment
CN213145978U (en) Total powerstation survey and drawing platform with sunshade structure
CN211533046U (en) Portable verifying attachment of medical science inspection
CN210442245U (en) Salt fog case sample holder
CN211475409U (en) Village planning field investigation equipment
CN203152749U (en) Parasol
CN207123422U (en) A kind of support frame of air sampler
CN207640622U (en) A kind of medical blood vessel micro-wound surgical operation platform
CN216448854U (en) Be used for building structure displacement testing arrangement

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190416

Termination date: 20201017

CF01 Termination of patent right due to non-payment of annual fee