CN216050108U - Side-mounted water meter counter - Google Patents

Abstract

The utility model discloses a side-mounted water meter counter which comprises a character wheel window, wherein a character wheel assembly and a shifting wheel assembly are correspondingly arranged on the character wheel window, the character wheel assembly comprises a character wheel shaft, and a transition wheel and a character wheel which are sleeved on the character wheel shaft, the shifting wheel assembly comprises a shifting wheel shaft and a shifting wheel which is sleeved on the shifting wheel shaft, the top and the front side of the character wheel window are open, character wheel shaft clamping grooves are formed in the left side and the right side of the character wheel window and correspond to two ends of the character wheel shaft, shifting wheel shaft clamping grooves are formed in the two ends of the corresponding shifting wheel shaft, the character wheel shaft clamping grooves and the shifting wheel shaft clamping grooves are of through groove structures, two ends of the character wheel shaft can be clamped into the character wheel shaft clamping grooves in a parallel motion mode over against the character wheel shaft clamping grooves, and two ends of the shifting wheel shaft can be clamped into the shifting wheel shaft clamping grooves in a parallel motion mode over against the shifting wheel shaft clamping grooves. By adopting the scheme, the automatic assembly of the character wheel assembly and the shifting wheel assembly is convenient to realize, the assembly efficiency of the counter is improved in cooperation, the labor cost is reduced, the structural stability and the reliability are good, and the counter has good applicability.

Description

Side-mounted water meter counter

Technical Field

The utility model belongs to the field of water meter measurement, and particularly relates to a side-mounted water meter counter.

Background

With the development of technology, the structure of the water meter has changed greatly, and the early wet type water meter has gradually developed into a dry type water meter, even an electric direct reading water meter and an electronic remote transmission water meter, but in many types of water meters, a visual direct reading structure is still basically included, that is, the character wheel display structure, the head wheel is driven to rotate by the magnetic driving gear group, the metering display is realized by the structure that the adjacent character wheels are driven to rotate by the dial wheel, as disclosed in the patent number of 201020236150X and the patent name of 'a split water meter counter' in the prior art, the character wheel group and the dial wheel group in most counters can only adopt the structure of manual installation, one end of the corresponding shaft is firstly inserted, then install print wheel or thumb wheel in proper order again, pass the shaft hole that sets up at the opposite side with it at last, this kind of structure is difficult to realize automated operation, has influenced the packaging efficiency of counter greatly.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a side-mounted water meter counter, which solves the problem that the integral assembly efficiency of the counter is affected due to the inconvenience in mounting a character wheel and a dial wheel in the counter in the prior art.

The technical scheme is as follows:

the utility model provides a side-mounted formula water gauge counter, includes the character wheel window, character wheel subassembly and thumb wheel subassembly that have the correspondence to set up on the character wheel window, the character wheel subassembly includes the character wheel axle to and the cover is established at epaxial transition wheel of this character wheel and character wheel, and the thumb wheel subassembly includes the thumb wheel axle, and the cover is established dial epaxial thumb wheel of thumb wheel, its key lies in: the top and the front side of character wheel window are uncovered, the two ends of the left and right sides of the character wheel window corresponding to the character wheel shaft are provided with character wheel shaft clamping grooves, the two ends corresponding to the dial wheel shaft are provided with dial wheel shaft clamping grooves, the character wheel shaft clamping grooves and the dial wheel shaft clamping grooves are of through groove structures, the two ends of the character wheel shaft can be clamped into the character wheel shaft clamping grooves just opposite to the character wheel shaft clamping grooves in a parallel motion mode, and the two ends of the dial wheel shaft can be clamped into the dial wheel shaft clamping grooves just opposite to the dial wheel shaft clamping grooves in a parallel motion mode.

Scheme more than adopting, can assemble the back respectively to character wheel subassembly and thumb wheel subassembly, directly block again and go into character wheel axle draw-in groove or thumb wheel axle draw-in groove, character wheel and thumb wheel all need accomplish on the character wheel window in traditional counter relatively, adopt the card mode of going into, character wheel subassembly and thumb wheel subassembly all can assemble through automatic mechanical assembly mode, clamp it again to the character wheel window together, its operation does not receive space restriction, be favorable to improving the packaging efficiency of counter, save manual work etc..

Preferably, the method comprises the following steps: the character wheel shaft clamping grooves are formed in the side walls of the left side and the right side of the character wheel window and are arranged in the height direction of the side walls, the tops of the character wheel shaft clamping grooves are open, and the two ends of the character wheel window are provided with pressing structures which are in one-to-one correspondence with the character wheel shaft clamping grooves. By adopting the scheme, the installation reliability of the character wheel assembly is favorably ensured, and the situation that the metering result is inaccurate due to the fact that the character wheel shaft rotates along with the rotation when the head wheel or the character wheel rotates is mainly prevented.

Preferably, the method comprises the following steps: the side stand outside lateral wall about compact structure is for setting up in the character wheel window, the side stand sets up along character wheel shaft draw-in groove length direction to be located one side of character wheel shaft draw-in groove, its top has an inverse portion, inverse portion upside has the slope guide face, and at least part salient to the character wheel within the side projection scope of wheel shaft draw-in groove, works as when character wheel shaft card goes into the character wheel shaft draw-in groove, its upside offsets with the downside of inverse portion. The character wheel shaft is tightly pressed in the height direction by the aid of the inverted hook-like inverted hanging parts, and the character wheel shaft is extruded towards the side wall of one side of the character wheel shaft clamping groove by the aid of elastic force of the inverted hook-like inverted hanging parts and is tightly attached, namely, the moving freedom degree in the width direction and the structural section are limited, and the character wheel shaft is convenient to mount.

Preferably, the method comprises the following steps: the bottom of the inverted hanging part is provided with an arc-shaped groove matched with the character wheel shaft, the lower side of the arc-shaped groove and one side close to the corresponding character wheel shaft clamping groove are open, when the character wheel shaft is clamped into the character wheel shaft clamping groove, the radial degree and the axial degree of freedom of the character wheel shaft are limited by the arc-shaped groove. Scheme more than adopting, the arc wall increases the area of contact with the character wheel axle, can be better compress tightly it, effectively prevent character wheel axle from taking place the slip of left right direction simultaneously, further improve its installation stability.

Preferably, the method comprises the following steps: the width of the character wheel shaft clamping groove is gradually reduced along the depth direction of the character wheel shaft clamping groove, and the bottom of the character wheel shaft clamping groove is arc-shaped and is matched with the character wheel shaft. By adopting the scheme, the clamping of the character wheel shaft can be realized by utilizing the character wheel shaft clamping groove, the installation stability of the character wheel shaft is further improved, and the rotation is prevented.

Preferably, the method comprises the following steps: the front side of the character wheel window is provided with a front upright post protruding along the height direction of the character wheel window, the shifting wheel shaft clamping groove is formed in the front side of the front upright post, and the opening of the shifting wheel shaft clamping groove faces forwards and is perpendicular to the opening direction of the character wheel shaft clamping groove. By adopting the scheme, the shifting wheel shaft can be clamped quickly and conveniently without interference of the installed character wheel.

Preferably, the method comprises the following steps: the bottom of the shifting wheel shaft clamping groove is of an arc-shaped structure matched with the shifting wheel shaft, the opening width of the shifting wheel shaft clamping groove is smaller than the diameter of the shifting wheel shaft, the character wheel window is a plastic part, and the front stand column and the character wheel window are integrally formed.

By adopting the scheme, the clamping groove of the shifting wheel shaft is utilized to clamp the shifting wheel shaft, so that the mounting efficiency and reliability are improved, and the integral structure is simplified.

Preferably, the method comprises the following steps: the side-mounted water meter counter is split, and further comprises a bracket for mounting a gear assembly, wherein the bracket is provided with a mounting opening matched with the character wheel window, the bracket comprises a meter dial and a lower clamping plate which are arranged oppositely up and down, and a clamping structure matched with each other is arranged between the character wheel window and the meter dial on the two sides of the mounting opening. By adopting the scheme, the character wheel window and the bracket are conveniently and quickly clamped, and the head wheel is meshed with the worm wheel in the gear.

Preferably, the method comprises the following steps: the top of the character wheel window is provided with a top plate which is arranged in a detachable mode, the front side of the top plate is provided with a shifting wheel shaft limiting head corresponding to the positions at the two ends of a shifting wheel shaft, the shifting wheel shaft limiting head is provided with a shifting wheel shaft limiting groove which is arranged along the length direction of the shifting wheel shaft limiting head, and the shifting wheel shaft is positioned in the corresponding shifting wheel shaft limiting groove. By adopting the scheme, the shifting wheel shaft is limited in left and right and in front through the shifting wheel shaft limiting groove so as to be prevented from deviating or sliding left and right, and the mounting stability of the shifting wheel shaft is further improved.

Preferably, the method comprises the following steps: the bottom of the character wheel window is fixedly connected with a bottom plate. The scheme is adopted, the installation process of the character wheel assembly and the shifting wheel assembly is carried out, the position of the character wheel or the shifting wheel is changed, a handheld character wheel window is usually adopted to move relative to a character wheel shaft and the shifting wheel shaft, namely, a character wheel shaft clamping groove moves or a shifting wheel shaft clamping groove moves to clamp, and the whole size of the character wheel window is small, so that the handheld operation can be better through the bottom plate, and the operability is improved.

Compared with the prior art, the utility model has the beneficial effects that:

the side-mounted water meter counter provided by the utility model is convenient for realizing the automatic assembly of the character wheel assembly and the dial wheel assembly, improves the assembly efficiency of the counter in a matching way, reduces the labor cost, and has good structural stability and reliability and good applicability.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a schematic view of a mounting structure of the window, the top plate and the bottom plate of the character wheel;

FIG. 4 is a schematic view of a mounting structure of a print wheel assembly and a thumb wheel assembly;

FIG. 5 is a schematic view of a print wheel window structure;

FIG. 6 is a schematic structural view of a side pillar;

FIG. 7 is a schematic view of the top plate construction;

FIG. 8 is a top isometric view;

FIG. 9 is a perspective view of a structure of the window with the character wheel fitted with the mounting opening;

FIG. 10 is a top view of FIG. 9;

FIG. 11 is a schematic view of a bracket structure;

FIG. 12 is a partial cross-sectional view of the window of the print wheel in engagement with the mounting opening.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 12, a side-mounted water meter counter includes a character wheel window 100, a character wheel assembly 110 and a dial wheel assembly 120 are correspondingly disposed on the character wheel window 100, the character wheel assembly 110 includes a character wheel shaft 111, and a transition wheel 112 and a character wheel 113 sleeved on the character wheel shaft 111, the dial wheel assembly 120 includes a dial wheel shaft 121, and a dial wheel 122 sleeved on the dial wheel shaft 121, in this application, the structure of the character wheel window 100 is mainly improved so as to facilitate the installation of the character wheel assembly 100 and the dial wheel assembly 120 in an automated manner, and improve the overall assembly efficiency of the counter, specifically, the character wheel window 100 is a hollow structure, the top and the front side of the character wheel window 100 are open, character wheel shaft slots 101 are disposed at the left and right sides of the character wheel window 100 corresponding to the two ends of the character wheel shaft 111, dial wheel shaft slots 102 are disposed at the two ends of the dial wheel shaft 121, and the character wheel shaft slots 101 and the dial wheel slots 102 are through groove structures, the two ends of the character wheel shaft 111 can be opposite to the openings of the character wheel shaft clamping grooves 101 and clamped into the character wheel shaft clamping grooves 101 in a parallel motion mode, the two ends of the poking wheel shaft 121 can be opposite to the poking wheel shaft clamping grooves 102 and clamped into the poking wheel shaft clamping grooves 102 in a parallel motion mode, the parallel motion refers to the fact that the poking wheel shaft 111 and the poking wheel shaft 121 are vertically close to or far away from the top or the front side of the character wheel window 100, and in the installation process, the character wheel window 100 cannot be subjected to left-right direction displacement as shown in fig. 4.

Referring to fig. 1, 3, 4, 6 and 12, in this embodiment, the character wheel window 100 is a plastic part, the character wheel shaft slots 101 are formed in the left and right side walls of the character wheel window 100 and are arranged along the vertical direction of the height direction of the side walls, the top of the character wheel shaft slot 101 is open, so as to facilitate quick fixing of the character wheel shaft 111, the width of the character wheel shaft slot 101 gradually decreases along the depth direction, that is, the bottom width is the minimum, and the bottom of the character wheel shaft slot 101 is arc-shaped corresponding to the character wheel shaft 111, so that when the character wheel shaft 111 is clamped, the character wheel shaft 111 can be primarily fixed by using the plastic elastic force of the character wheel shaft, and on the basis, the left and right ends of the character wheel window 100 are further provided with compression structures which are arranged in one-to-one correspondence with the character wheel shaft slots 101.

The pressing structure is specifically shown in the figure, it mainly includes the side stand column 130 that sets up in the lateral wall outside about character wheel window 100, side stand column 130 is the plastic material, generally with character wheel window 100 integrated into one piece, set up along character wheel axle draw-in groove 101 length direction, and lie in one side of character wheel axle draw-in groove 101, its top has the inverse portion 131, inverse portion 131 upside has the slope guide face, and at least part is outstanding to within the side projection scope of character wheel axle draw-in groove 101, when character wheel axle 111 blocks into character wheel axle draw-in groove 101, the slope guide face can make a way with inverse portion 131 towards one side extrusion of character wheel axle draw-in groove 101 width direction, after sliding to inverse portion 131, inverse portion 131 extrusion force disappears and resets, thereby compress tightly the tip of character wheel axle 111.

Therefore, the bottom of the inverted portion 131 is provided with the arc-shaped groove 132 corresponding to the character wheel shaft 111, the lower side of the arc-shaped groove 132 and one side close to the corresponding character wheel shaft clamping groove 101 are open, when the character wheel shaft 111 is clamped into the character wheel shaft clamping groove 101, the radial and axial freedom degrees of the character wheel shaft 111 are limited by the arc-shaped groove 132, namely, at the moment, the character wheel shaft 111 can not move up and down and can not move left and right, and the front and back directions are limited by the width of the character wheel shaft clamping groove 101, so that the stability of the character wheel shaft 111 is greatly improved, the character wheel shaft 111 is prevented from rotating or sliding, during installation, after the character wheel assembly 110 is assembled, two ends of the character wheel shaft 111 are clamped into the character wheel shaft clamping grooves 101 to overcome the resistance of the inverted portion 131, and the character wheel assembly can be in place.

The installation and fixing mode of the dial axle 121 is similar to that of the character wheel axle 111, as can be seen from fig. 5 and 9, the front side of the character wheel window 100 is provided with a front upright column 140 protruding along the height direction, the dial axle clamping groove 102 is formed in the front side of the front upright column 140, the opening of the dial axle clamping groove 102 faces forward and is perpendicular to the opening direction of the character wheel axle clamping groove 101, in order to ensure the stability of the dial axle 121 to be installed, the bottom of the dial axle clamping groove 102 is of an arc structure matched with the dial axle 121, the opening width of the dial axle clamping groove 102 is smaller than the diameter of the dial axle 121, the dial axle 121 and the dial axle clamping groove 102 are in interference fit, the dial axle 121 is tightly held by the dial axle clamping groove 102, the rotation is prevented, and in order to reduce the production cost, the front upright column 140 and the character wheel window 100 are integrally formed.

The side-mounted water meter counter is a dry photoelectric direct-reading counter, and mainly comprises a tray 300 and a transparent cover 400 buckled with the tray 300, wherein the transparent cover 400 is usually made of transparent plastic materials and is installed in a core in the tray 300, the core of the counter is split, the counter comprises a bracket 200 for installing a gear assembly and the character wheel window 100, a worm wheel on the bracket 200 is meshed with a transition wheel 112 in the character wheel assembly 110 on the character wheel window 100 to realize character wheel transmission, as shown in the figure, the bracket 200 is provided with an installation port 210 matched with the character wheel window 100, the bracket 200 comprises a dial 220 and a lower clamp plate 230 which are arranged up and down in a right-to-up mode, and a clamping structure matched with each other is arranged between the character wheel window 100 and the scale disks 220 on two sides of the installation port 210.

Referring to fig. 4, 10, 11 and 12, the dial 220 is substantially semicircular, two sides of the dial have a connecting portion 222 corresponding to the position of the mounting opening 210, the inner side of the connecting portion 222 has a sunken step 221, the bottom of the connecting portion 222 has a stop block 223 protruding along the thickness direction thereof, the outer side of the front end of the left and right side walls of the character wheel window 100 has a front slot 104 adapted to the sunken step 221, when the character wheel window 100 is mounted in the mounting opening 210, the front slot 104 is just engaged with the sunken step 221, the rear side of the front slot is abutted against the dial 220, in order to further improve the mounting stability of the character wheel window 100, the rear ends of the left and right sides of the character wheel window 100 are further provided with a support lug 105, the support lug 105 extends outwards along the length direction of the character wheel window 100, the upper side of the support lug 105 is flush with the upper side of the slot 104, and the top of the side upright 130 is flush with the bottom of the front slot 104, so that a rear slot is formed between the top of the side upright 130 and the support lug 105, a snap-fit structure is also formed for the sunken step 221 to prevent the weight from being concentrated on the front card slot 104.

On this basis, the side column 130 is disposed at a side close to the bracket 200, that is, between the stop block 223 and the print wheel shaft slot 101, and the stop block 223 and the hanging portion 131 have overlapping portions in the height and width directions, so that after the print wheel window 100 is mounted in place, the side column 130 is limited by the print wheel shaft 111 and the stop block 223 in the front-back direction, and further, the print wheel shaft 111 is prevented from coming off due to shaking, and if the print wheel assembly 110 needs to be taken out, the print wheel window 100 and the bracket 200 need to be separated.

On the other hand, in order to prevent the wheel assembly 120 from being unintentionally removed, the top plate 150 is detachably disposed on the top of the character wheel window 100, as shown in the figure, the top of the left and right side walls of the character wheel window 100 have symmetrically disposed insertion holes 103, the bottom of the top plate 150 has pins 155 disposed in one-to-one correspondence with the insertion holes 103, and the two are usually in transition fit, so as to improve the connection stability, and the top plate 150 has display openings 156 disposed in one-to-one correspondence with the character wheels 113.

The position that roof 150 front side corresponds thumb wheel axle 121 both ends is equipped with thumb wheel axle spacing head 151, thumb wheel axle spacing head 151 has thumb wheel axle spacing groove 152 along its length direction setting, thumb wheel axle 121 is located and corresponds thumb wheel axle spacing groove 152, the cross section of thumb wheel axle spacing groove 152 is approximate L shape, after roof 150 installation targets in place, thumb wheel axle spacing groove 152 just is located the tip outside of thumb wheel axle 121, and offset the tip and the front side of thumb wheel axle 121, with prevent thumb wheel axle 121 horizontal slip, or deviate from the opening of thumb wheel axle draw-in groove 102, improve the installation steadiness greatly.

In addition, a front baffle 153 is further arranged on the front side of the top plate 150, an arc-shaped block 154 is arranged at the bottom of the top plate corresponding to the print wheel assembly 110, the arc-shaped block 154 is provided with an arc-shaped groove which is over against the print wheel assembly 110, the front baffle 153 is arranged on the front side of the thumb wheel 122, and the front baffle 153 and the thumb wheel 122 mainly form a limit for the rotating space of the transition wheel 112, the print wheel 113 and the thumb wheel 122.

In order to facilitate the matching to realize the automatic installation, the situation that the character wheel 113 rotates in the installation process and is inconvenient for subsequent alignment is avoided, so that the character wheel shaft 111 is usually fixed during the assembly, the character wheel window 100 is moved to enable the character wheel shaft clamping groove 101 to be opposite to the character wheel shaft 111 to be clamped in, and meanwhile, the handheld operation is convenient, so that the bottom plate 160 is arranged at the bottom of the character wheel window 100, and the connection mode between the bottom plate 160 and the character wheel window 100 is similar to the connection mode between the top plate 150 and the character wheel window 100.

In view of the fact that the counter is of a photoelectric direct reading type, the bottom plate 10 is a PCB, the top plate 150 is a light shielding plate, the character wheel window 100 has an angle sensor disposed in the character wheel assembly 110, the angle sensor is connected to the PCB, during actual use, a panel 170 is usually disposed on the top of the top plate 150, and the panel 170 and the dial plate 220 surround to form a substantially circular shape, so as to improve the overall appearance quality of the movement.

Referring to the side-mounted water meter counter shown in fig. 1 to 12, during assembly, the character wheel assembly 110 is assembled by using a mechanical automatic assembly device, that is, the transition wheel 112 and the character wheel 112 are sequentially sleeved on the character wheel shaft 11, the character codes of the character wheels 112 are adjusted to be aligned with each other and then reach an assembly station, then the character wheel window 100 with the bottom plate 160 installed is clamped by a hand or a mechanical arm to be opposite to the character wheel assembly 110, the character wheel shaft clamping groove 101 is opposite to two ends of the character wheel shaft 111 to be clamped, then the dial wheel assembly 120 is installed in a similar operation mode, the top plate 150 and the panel 170 are sequentially installed on the top of the character wheel window 100, then the whole body is clamped into the installation opening 210, the character wheel window 100 is clamped with the bracket 200 to form a movement, and finally the tray 300 is installed and the transparent cover 400 is buckled.

Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a side-mounted formula water gauge counter, includes character wheel window (100), character wheel subassembly (110) and thumb wheel subassembly (120) that have corresponding setting on character wheel window (100), character wheel subassembly (110) include character wheel axle (111) to and the cover is established transition wheel (112) and character wheel (113) on this character wheel axle (111), and thumb wheel subassembly (120) include thumb wheel axle (121), and the cover is established thumb wheel (122) on thumb wheel axle (121), its characterized in that: the top and the front side of character wheel window (100) are uncovered, and the both ends that the character wheel window (100) left and right sides corresponds character wheel axle (111) are equipped with character wheel axle draw-in groove (101), and the both ends that correspond and dial wheel axle (121) are equipped with and dial wheel axle draw-in groove (102), character wheel axle draw-in groove (101) and dial wheel axle draw-in groove (102) are logical groove structure, character wheel axle (111) both ends can just block character wheel axle draw-in groove (101) to uncovered character wheel axle draw-in groove (101) with parallel motion mode card, and dial wheel axle (121) both ends can just block in the dial wheel axle draw-in groove (102) with parallel motion mode card to dial wheel axle draw-in groove (102).

2. The side-mounted water meter counter of claim 1, wherein: the character wheel shaft clamping grooves (101) are formed in the side walls of the left side and the right side of the character wheel window (100) and are arranged in the height direction of the side walls, the top of the character wheel shaft clamping grooves (101) is open, and the two ends of the character wheel window (100) are provided with pressing structures which are in one-to-one correspondence with the character wheel shaft clamping grooves (101).

3. The side-mounted water meter counter of claim 2, wherein: the side stand (130) of lateral wall outside about compact structure is for setting up in character wheel window (100), side stand (130) set up along character wheel axle draw-in groove (101) length direction to be located one side of character wheel axle draw-in groove (101), its top has inverse portion (131), inverse portion (131) upside has the slope guide face, and at least part is outstanding to the side projection within range of character wheel axle draw-in groove (101), works as when character wheel axle (111) card goes into character wheel axle draw-in groove (101), its upside offsets with the downside of inverse portion (131).

4. The side-mounted water meter counter of claim 3, wherein: the bottom of the inverted hanging part (131) is provided with an arc-shaped groove (132) matched with the character wheel shaft (111), the lower side of the arc-shaped groove (132) and one side close to the corresponding character wheel shaft clamping groove (101) are open, when the character wheel shaft (111) is clamped into the character wheel shaft clamping groove (101), the radial and axial freedom degrees of the character wheel shaft (111) are limited by the arc-shaped groove (132).

5. A side-mounted water meter counter as claimed in any one of claims 2 to 4, wherein: the width of the word wheel shaft clamping groove (101) is gradually reduced along the depth direction of the word wheel shaft clamping groove, and the bottom of the word wheel shaft clamping groove is in an arc shape matched with the word wheel shaft (111).

6. A side-mounted water meter counter as claimed in any one of claims 1 to 4, wherein: the front side of the character wheel window (100) is provided with a front upright post (140) protruding along the height direction of the front upright post, and the poking wheel shaft clamping groove (102) is formed in the front side of the front upright post (140) and is open forwards and perpendicular to the opening direction of the character wheel shaft clamping groove (101).

7. The side-mounted water meter counter of claim 6, wherein: the bottom of the poking wheel shaft clamping groove (102) is of an arc structure matched with the poking wheel shaft (121), the opening width of the poking wheel shaft clamping groove (102) is smaller than the diameter of the poking wheel shaft (121), the character wheel window (100) is a plastic part, and the front upright column (140) and the character wheel window (100) are integrally formed.

8. The side-mounted water meter counter of claim 3 or 4, wherein: the side-mounted water meter counter is split, and further comprises a bracket (200) used for mounting a gear assembly, wherein the bracket (200) is provided with a mounting port (210) matched with the character wheel window (100), the bracket (200) comprises a meter dial (220) and a lower clamping plate (230) which are arranged in an up-and-down opposite mode, and clamping structures matched with each other are arranged between the character wheel window (100) and the meter dial (220) on two sides of the mounting port (210).

9. The side-mounted water meter counter of claim 6, wherein: the top of the character wheel window (100) is provided with a top plate (150) which is detachably arranged, the positions of the front side of the top plate (150) corresponding to the two ends of the shifting wheel shaft (121) are provided with shifting wheel shaft limiting heads (151), the shifting wheel shaft limiting heads (151) are provided with shifting wheel shaft limiting grooves (152) which are arranged along the length direction of the shifting wheel shaft limiting heads, and the shifting wheel shaft (121) is positioned in the corresponding shifting wheel shaft limiting grooves (152).

10. The side-mounted water meter counter of claim 1, wherein: the bottom of the character wheel window (100) is fixedly connected with a bottom plate (160).

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